| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | 19.0343 |
| 2021 | 18.5213 |
| 2020 | 18.0184 |
| 2019 | 17.5607 |
| 2018 | 17.1581 |
| 2017 | 16.7777 |
| 2016 | 16.3953 |
| 2015 | 16.0091 |
| 2014 | 15.6164 |
| 2013 | 15.214 |
| 2012 | 14.7965 |
| 2011 | 14.3951 |
| 2010 | 14.0637 |
| 2009 | 13.8025 |
| 2008 | 13.5712 |
| 2007 | 13.3543 |
| 2006 | 13.159 |
| 2005 | 12.9948 |
| 2004 | 12.866 |
| 2003 | 12.7566 |
| 2002 | 12.6618 |
| 2001 | 12.578 |
| 2000 | 12.4878 |
| 1999 | 12.3991 |
| 1998 | 12.3008 |
| 1997 | 12.1772 |
| 1996 | 12.0477 |
| 1995 | 11.9213 |
| 1994 | 11.7972 |
| 1993 | 11.6742 |
| 1992 | 11.5395 |
| 1991 | 11.3898 |
| 1990 | 11.2252 |
| 1989 | 11.0542 |
| 1988 | 10.8848 |
| 1987 | 10.6894 |
| 1986 | 10.4664 |
| 1985 | 10.2335 |
| 1984 | 10.0164 |
| 1983 | 9.84458 |
| 1982 | 9.70321 |
| 1981 | 9.56023 |
| 1980 | 9.39335 |
| 1979 | 9.20168 |
| 1978 | 8.99943 |
| 1977 | 8.80444 |
| 1976 | 8.62747 |
| 1975 | 8.47174 |
| 1974 | 8.34853 |
| 1973 | 8.2421 |
| 1972 | 8.13295 |
| 1971 | 8.0439 |
| 1970 | 7.98448 |
| 1969 | 7.91837 |
| 1968 | 7.84383 |
| 1967 | 7.78881 |
| 1966 | 7.75213 |
| 1965 | 7.72076 |
| 1964 | 7.69441 |
| 1963 | 7.68628 |
| 1962 | 7.68677 |
| 1961 | 7.68265 |
| 1960 | 7.6719 |