| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 4.3532 |
| 2020 | 4.26464 |
| 2019 | 4.3107 |
| 2018 | 4.31539 |
| 2017 | 4.2952 |
| 2016 | 4.29754 |
| 2015 | 4.26988 |
| 2014 | 4.242 |
| 2013 | 4.21422 |
| 2012 | 4.18645 |
| 2011 | 4.15868 |
| 2010 | 4.20352 |
| 2009 | 4.24802 |
| 2008 | 4.29252 |
| 2007 | 4.33703 |
| 2006 | 4.38153 |
| 2005 | 4.41867 |
| 2004 | 4.45581 |
| 2003 | 4.49296 |
| 2002 | 4.5301 |
| 2001 | 4.56724 |
| 2000 | 4.56981 |
| 1999 | 4.57226 |
| 1998 | 4.57471 |
| 1997 | 4.57717 |
| 1996 | 4.57962 |
| 1995 | 4.58531 |
| 1994 | 4.59111 |
| 1993 | 4.59691 |
| 1992 | 4.60271 |
| 1991 | 4.60844 |
| 1990 | 4.61397 |
| 1989 | 4.61989 |
| 1988 | 4.6258 |
| 1987 | 4.63171 |
| 1986 | 4.63762 |
| 1985 | 4.6152 |
| 1984 | 4.59289 |
| 1983 | 4.57059 |
| 1982 | 4.54828 |
| 1981 | 4.52597 |
| 1980 | 4.49452 |
| 1979 | 4.46329 |
| 1978 | 4.43206 |
| 1977 | 4.40083 |
| 1976 | 4.3696 |
| 1975 | 4.35621 |
| 1974 | 4.3426 |
| 1973 | 4.329 |
| 1972 | 4.31539 |
| 1971 | 4.30178 |
| 1970 | 4.29442 |
| 1969 | 4.28683 |
| 1968 | 4.27925 |
| 1967 | 4.27167 |
| 1966 | 4.26408 |
| 1965 | 4.22839 |
| 1964 | 4.19214 |
| 1963 | 4.15589 |
| 1962 | 4.11964 |
| 1961 | 4.08339 |
| 1960 | - |