1970
December 27, 1969 - January 2, 1970:
Someday We'll Be Together - Diana Ross & The Supremes
January 3 - January 30:
Raindrops Keep Fallin' On My Head - B. J. Thomas
January 31 - February 6:
I Want You Back - The Jackson 5
February 7 - February 13:
Venus - The Shocking Blue
February 14 - February 27:
Thank You (Falettinme Be Mice Elf Agin)/Everybody is a Star - Sly & The Family Stone
February 28 - April 10:
Bridge Over Troubled Water - Simon & Garfunkel
April 11 - April 24:
Let It Be - The Beatles
April 25 - May 8:
ABC - The Jackson 5
May 9 - May 29:
American Woman - The Guess Who
May 30 - June 12:
Everything Is Beautiful - Ray Stevens

1971
December 26, 1970 - January 22, 1971:
My Sweet Lord - George Harrison
January 23 - February 12:
Knock Three Times Dawn
February 13 - March 19:
One Bad Apple The Osmonds
March 20 - April 2:
Me and Bobby McGee Janis Joplin
April 3 - April 16:
Just My Imagination (Running Away With Me) The Temptations
April 17 - May 28:
Joy To The World Three Dog Night
May 29 - July 11:
Brown Sugar The Rolling Stones
June 12 - July 18:
Want Ads The Honey Cone

1972
December 25, 1971 - - January 14, 1972:
Brand New Key - Melanie
January 15 - February 11:
American Pie - Don McLean
February 12 - February 18:
Let's Stay Together - Al Green
February 19 - March 17:
Without You - Nilsson
March 18 - March 24:
Heart of Gold - Neil Young
March 25 - April 14:
A Horse With No Name - America
April 15 - May 26:
The First Time I Ever Saw Your Face - Roberta Flack
May 27 - June 2:
Oh Girl - Chi-Lites
June 3 - June 9:
I'll Take You There - The Staple Singers
June 10 - June 30:
The Candy Man - Sammy Davis, Jr.

1973
December 16, 1972 - January 5, 1973:
Me and Mrs. Jones - Billy Paul
January 6 - January 26:
You're So Vain - Carly Simon
January 27 - February 2:
Superstition - Stevie Wonder
February 3 - February 23:
Crocodile Rock - Elton John
February 24 - March 23:
Killing Me Softly With His Song - Roberta Flack
March 24 - April 6:
Love Train - O'Jays
April 7 - April 20:
The Night the Lights Went Out in Georgia - Vicki Lawrence
April 21 - May 18:
Tie A Yellow Ribbon Round The Ole Oak Tree - Dawn Featuring Tony Orlando
May 19 - May 25:
You Are The Sunshine Of My Life - Stevie Wonder
May 26 - June 1:
Frankenstein - The Edgar Winter Group
June 2 - June 29:
My Love - Paul McCartney & Wings
June 30 - July 6:
Give Me Love - (Give Me Peace On Earth) - George Harrison

1974
December 29, 1972 - January 11, 1974:
Time In A Bottle - Jim Croce
January 12 - January 18:
The Joker - Steve Miller Band
January 19 - January 25:
Show And Tell - Al Wilson
January 26 - February 1:
You're Sixteen - Ringo Starr
February 2 - February 8:
The Way We Were - Barbra Streisand
February 9 - March 1:
Love's Theme - Love Unlimited Orchestra
March 2 - March 22:
Seasons in the Sun - Terry Jacks
March 23 - March 29:
Dark Lady - Cher
March 30 - April 5:
Sunshine On My Shoulders - John Denver
April 6 - April 12:
Hooked On A Feeling - Blue Swede
April 13 - April 19:
Bennie And The Jets - Elton John
April 20 - May 3:
TSOP (The Sound of Philadelphia) - MFSB featuring The Three Degrees
May 4 - May 17:
The Loco-Motion - Grand Funk
May 18 - June 7:
The Streak - Ray Stevens
June 8 - June 14:
Band On The Run - Paul McCartney & Wings
June 15 - June 28:
Billy, Don't Be A Hero - Paper Lace
June 29 - July 5:
Sundown - Gordon Lightfoot

1975
December 28, 1974 - January 3, 1975: Angie Baby - Helen Reddy
January 4 - January 17:
Lucy in the Sky with Diamonds - Elton John
January 18 - January 24:
Mandy - Barry Manilow
January 25 - January 31:
Please Mr. Postman - The Carpenters
February 1 - February 7:
Laughter In The Rain - Neil Sedaka
February 8 - February 14:
Fire - Ohio Players
February 15 - February 21:
You're No Good - Linda Ronstadt
February 22 - February 28:
Pick Up The Pieces - AWB
March 1 - March 7:
Best Of My Love - The Eagles
March 8 - March 14:
Have You Never Been Mellow - Olivia Newton-John
March 15 - March 21:
Black Water - The Doobie Brothers
March 22 - March 28:
My Eyes Adored You - Frankie Valli
March 29 April 4:
Lady Marmalade - LaBelle
April 5 - April 11:
Lovin' You - Minnie Riperton
April 12 - April 25:
Philadelphia Freedom - The Elton John Band
April 26 - May 2:
(Hey Won't You Play) Another Somebody Done Somebody Wrong Song - B. J. Thomas
May 3 - May 23:
He Don't Love You (Like I Love You) - Tony Orlando and Dawn
May 24 - May 30:
Shining Star - Earth, Wind & Fire
May 31 - June 6:
Before The Next Teardrop Falls - Freddy Fender

1976
December 27, 1975 - January 2, 1976:
Let's Do It Again - The Staple Singers
January 3 - January 9:
Saturday Night - Bay City Rollers
January 10 - January 16:
Convoy - C.W. McCall
January 17 - January 23:
I Write The Songs - Barry Manilow
January 24 - January 30:
Theme from Mahogany ("Do You Know Where You're Going To - ) - Diana Ross
January 31 - February 6:
Love Rollercoaster - Ohio Players
February 7 - February 27:
50 Ways To Leave Your Lover - Paul Simon
February 28 - March 5:
Theme From S.W.A.T. - Rhythm Heritage
March 6 - March 12:
Love Machine (Part 1) - The Miracles
March 13 - April 2:
December, 1963 (Oh, What a Night) - The Four Seasons
April 3 - April 30:
Disco Lady - Johnnie Taylor
May 1 - May 7:
Let Your Love Flow - Bellamy Brothers
May 8 - May 14:
Welcome Back - John Sebastian
May 15 - May 21:
Boogie Fever - The Sylvers
May 22 - May 28:
Silly Love Songs - Wings

1977
November 13 - January 7, 1977:
Tonight's The Night (Gonna Be Alright) - Rod Stewart
January 8 - January 14:
You Don't Have To Be A Star (To Be In My Show) - Marilyn McCoo & Billy Davis, Jr.
January 15 - January 21:
You Make Me Feel Like Dancing - Leo Sayer
January 22 - January 28:
I Wish - Stevie Wonder
January 29 - February 4:
Car Wash - Rose Royce
February 5 - February 18:
Torn Between Two Lovers - Mary MacGregor
February 19 - February 25:
Blinded By The Light - Manfred Mann's Earth Band
February 26 - March 4:
New Kid In Town - The Eagles
March 5 - March 25:
Love Theme From A Star Is Born - ("Evergreen) Barbra Streisand
March 26 April 8:
Rich Girl - Daryl Hall & John Oates
April 9 - April 15:
Dancing Queen - ABBA
April 16 - April 22:
Don't Give Up On Us - David Soul
April 23 - April 29:
Don't Leave Me This Way - Thelma Houston
April 30 - May 6:
Southern Nights - Glen Campbell
May 7 - May 13:
Hotel California - The Eagles
May 14 - May 20:
When I Need You - Leo Sayer
May 21- June 11:
Sir Duke - Stevie Wonder
June 11 - June 17:
I'm Your Boogie Man - KC and the Sunshine Band
June 18 - June 24:
Dreams - Fleetwood Mac

1978
December 24, 1977 - January 13, 1978:
How Deep Is Your Love - Bee Gees
January 14 - February 3:
Baby Come Back - Player
February 4 - March 3:
Stayin' Alive - Bee Gees
March 4 - March 17:
(Love Is) Thicker Than Water - Andy Gibb
March 18 - May 12:
Night Fever - Bee Gees
May 13 - May 19:
If I Can't Have You - Yvonne Elliman
May 20 - June 2:
With A Little Luck - Wings
June 3 - June 9:
Too Much, Too Little, Too Late - Johnny Mathis and Deniece Williams
June 10 - June 16:
You're The One That I Want - John Travolta and Olivia Newton-John

1979
January 6 - January 19:
Too Much Heaven - Bee Gees
January 20 - February 9:
Le Freak - Chic
February 10 - March 9:
Do Ya Think I'm Sexy? - Rod Stewart
March 10 - March 23:
I Will Survive - Gloria Gaynor
March 24 - April 6:
Tragedy - Bee Gees
April 7 - April 13:
I Will Survive - Gloria Gaynor
April 14 - April 20:
What A Fool Believes - The Doobie Brothers
April 21 - April 27:
Knock on Wood - Amii Stewart
April 28 - May 4:
Heart of Glass - Blondie
May 5 - June 30:
Reunited - Peaches & Herb
June 2 - June 8:
Hot Stuff - Donna Summer
June 9 - June 15:
Love You Inside Out - Bee Gees