1978-0118

Happy Anniversary

Peak

Weeks

Score

1,953

Chart Year

1978

Scores & Rankings

Peak Position16

Peak DateMar 11, 1978

Weeks at Peak2

Weeks Charted18

Weeks in Top 409

Weeks in Top 100

Weeks at #20

Weeks at #10

Summary Calc625

Weekly Calc1,328

Total Score1,953

Year Ranking#109

Decade Ranking#1,129

Billboard Year#109

Top 5000#7,394

Week	Chart Date	Position	Points
1	Dec 17, 1977	89	37
2	Dec 24, 1977	84	42
3	Dec 31, 1977	84	42
4	Jan 7, 1978	64	62
5	Jan 14, 1978	53	73
6	Jan 21, 1978	37	89
7	Jan 28, 1978	34	92
8	Feb 4, 1978	31	95
9	Feb 11, 1978	29	97
10	Feb 18, 1978	26	100
11	Feb 25, 1978	20	106
12	Mar 4, 1978	18	108
13	Mar 11, 1978	16	110
14	Mar 18, 1978	16	110
15	Mar 25, 1978	56	70
16	Apr 1, 1978	97	29
17	Apr 8, 1978	93	33
18	Apr 15, 1978	93	33