| Year | Team | League Level | Attendance | PFr | PFhr |
| 1970 | Boston Americans |
ML | 2,545,869 | 0.93 | 0.86 |
| 1971 | Boston Americans |
ML | 3,086,797 | 1.05 | 1.01 |
| 1972 | Boston Americans |
ML | 2,759,406 | 1.14 | 1.13 |
| 1973 | Boston Americans |
ML | 2,444,907 | 1.14 | 1.07 |
| 1974 | Boston Americans |
ML | 3,124,362 | 1.20 | 1.17 |
| 1975 | Boston Americans |
ML | 2,864,402 | 1.04 | 1.07 |
| 1976 | Boston Americans |
ML | 2,858,463 | 1.10 | 1.03 |
| 1977 | Boston Americans |
ML | 3,219,554 | 1.03 | 0.97 |
| 1978 | Boston Americans |
ML | 3,207,139 | 1.06 | 1.06 |
| 1979 | Boston Americans |
ML | 3,256,907 | 1.08 | 1.11 |
| 1980 | Boston Americans |
ML | 3,202,712 | 1.03 | 1.00 |
| 1981 | Boston Americans |
ML | 2,945,160 | 1.08 | 1.01 |
| 1982 | Boston Americans |
ML | 3,068,115 | 1.08 | 1.05 |
| 1983 | Boston Americans |
ML | 3,139,688 | 1.00 | 0.97 |
| 1984 | Boston Americans |
ML | 3,206,575 | 1.08 | 1.02 |
| 1985 | Boston Americans |
ML | 3,220,362 | 0.98 | 0.99 |
| 1987 | Boston Americans |
ML | 3,124,096 | 1.05 | 1.09 |
| 1988 | Boston Americans |
ML | 3,201,887 | 1.08 | 0.95 |
| 1989 | Boston Americans |
ML | 3,184,018 | 0.99 | 1.21 |
| 1990 | Boston Americans |
ML | 3,218,526 | 1.05 | 0.99 |
| 1991 | Boston Americans |
ML | 3,207,088 | 1.05 | 1.00 |
| 1992 | Boston Americans |
ML | 3,220,764 | 1.07 | 1.01 |
| 1993 | Boston Americans |
ML | 3,216,590 | 1.04 | 0.99 |
| 1994 | Boston Americans |
ML | 3,092,783 | 1.07 | 1.04 |
| 1995 | Boston Americans |
ML | 2,886,446 | 1.08 | 1.02 |
| 1996 | Boston Americans |
ML | 3,214,303 | 0.98 | 1.03 |
| 1997 | Boston Americans |
ML | 3,220,252 | 1.03 | 0.96 |
| 1998 | Boston Americans |
ML | 3,113,512 | 1.09 | 1.07 |
| 1999 | Boston Americans |
ML | 3,212,753 | 1.02 | 0.95 |
| 2000 | Boston Americans |
ML | 3,220,723 | 1.10 | 1.07 |
| | 1.06 | 1.03 |
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