You know the drill by now, and you can vote for more than one song.
Older polls:
1964-Canadian RPM Number 1 Singles:1964 - Cafe Society - Straight Dope Message Board
1965-Canadian RPM Number 1 Singles:1965 - Cafe Society - Straight Dope Message Board
1966-Canadian RPM Number 1 Singles: 1966 - Cafe Society - Straight Dope Message Board
1967-Canadian RPM NUMBER 1 SINGLES: 1967 - Cafe Society - Straight Dope Message Board
1968-Canadian RPM Number 1 Singles:1968 - Cafe Society - Straight Dope Message Board
1969-Best Canadian RPM NUMBER 1 SINGLES: 1969 - Cafe Society - Straight Dope Message Board
1970-Best Canadian RPM NUMBER 1 SINGLES: 1970 - Cafe Society - Straight Dope Message Board
1971-Best canadian rpm number 1 singles:1971 - Cafe Society - Straight Dope Message Board
1972-Best canadian rpm number 1 singles: 1972 - Cafe Society - Straight Dope Message Board
1973-Best Canadian RPM Number 1 Singles: 1973 - Cafe Society - Straight Dope Message Board
1974-Best Canadian RPM Number 1 Singles: 1974 - Cafe Society - Straight Dope Message Board
1975-http://boards.straightdope.com/sdmb/showthread.php?t=770295
1976-http://boards.straightdope.com/sdmb/showthread.php?t=770513
No Canadian artist had a number 1 single in Canada in 1977.