| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | 20.9947 |
| 2021 | 21.8606 |
| 2020 | 22.8065 |
| 2019 | 20.6635 |
| 2018 | 20.6814 |
| 2017 | 20.7033 |
| 2016 | 21.048 |
| 2015 | 20.8778 |
| 2014 | 20.2666 |
| 2013 | 20.7043 |
| 2012 | 21.0578 |
| 2011 | 21.1459 |
| 2010 | 21.4755 |
| 2009 | 21.9646 |
| 2008 | 19.7194 |
| 2007 | 19.2505 |
| 2006 | 19.2488 |
| 2005 | 19.0759 |
| 2004 | 19.4175 |
| 2003 | 19.8962 |
| 2002 | 19.7787 |
| 2001 | 19.5093 |
| 2000 | 19.1064 |
| 1999 | 19.3207 |
| 1998 | 19.8366 |
| 1997 | 19.8533 |
| 1996 | 20.7605 |
| 1995 | 21.6585 |
| 1994 | 22.6779 |
| 1993 | 23.8861 |
| 1992 | 24.4446 |
| 1991 | 24.0167 |
| 1990 | 22.6182 |
| 1989 | 21.3687 |
| 1988 | 21.1214 |
| 1987 | 21.5055 |
| 1986 | 22.0929 |
| 1985 | 22.0544 |
| 1984 | 22.0353 |
| 1983 | 22.6673 |
| 1982 | 22.9493 |
| 1981 | 21.402 |
| 1980 | 21.511 |
| 1979 | 21.417 |
| 1978 | 22.1432 |
| 1977 | 22.679 |
| 1976 | 22.1716 |
| 1975 | 22.3318 |
| 1974 | 20.7556 |
| 1973 | 20.4011 |
| 1972 | 21.0634 |
| 1971 | 21.115 |
| 1970 | 20.9881 |
| 1969 | 19.7043 |
| 1968 | 19.1512 |
| 1967 | 18.4225 |
| 1966 | 17.155 |
| 1965 | 16.3597 |
| 1964 | 16.4085 |
| 1963 | 16.4192 |
| 1962 | 16.3656 |
| 1961 | 16.4553 |
| 1960 | - |