| 年份 | 加拿大  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.79847 | 
| 2021 | 6.75444 | 
| 2020 | 6.68578 | 
| 2019 | 6.61966 | 
| 2018 | 6.55446 | 
| 2017 | 6.4604 | 
| 2016 | 6.34488 | 
| 2015 | 6.22072 | 
| 2014 | 6.09586 | 
| 2013 | 6.00134 | 
| 2012 | 5.96077 | 
| 2011 | 5.91961 | 
| 2010 | 5.79693 | 
| 2009 | 5.61043 | 
| 2008 | 5.40697 | 
| 2007 | 5.17039 | 
| 2006 | 4.92114 | 
| 2005 | 4.71994 | 
| 2004 | 4.5543 | 
| 2003 | 4.38921 | 
| 2002 | 4.23638 | 
| 2001 | 4.12073 | 
| 2000 | 4.05029 | 
| 1999 | 4.01013 | 
| 1998 | 3.99019 | 
| 1997 | 4.00257 | 
| 1996 | 4.04539 | 
| 1995 | 4.09528 | 
| 1994 | 4.13847 | 
| 1993 | 4.16804 | 
| 1992 | 4.17859 | 
| 1991 | 4.17446 | 
| 1990 | 4.16644 | 
| 1989 | 4.16388 | 
| 1988 | 4.16214 | 
| 1987 | 4.15164 | 
| 1986 | 4.13952 | 
| 1985 | 4.12621 | 
| 1984 | 4.0852 | 
| 1983 | 3.99872 | 
| 1982 | 3.88845 | 
| 1981 | 3.78275 | 
| 1980 | 3.70343 | 
| 1979 | 3.67567 | 
| 1978 | 3.6974 | 
| 1977 | 3.73259 | 
| 1976 | 3.755 | 
| 1975 | 3.75078 | 
| 1974 | 3.7093 | 
| 1973 | 3.64546 | 
| 1972 | 3.57697 | 
| 1971 | 3.51648 | 
| 1970 | 3.47058 | 
| 1969 | 3.42415 | 
| 1968 | 3.37323 | 
| 1967 | 3.32653 | 
| 1966 | 3.28627 | 
| 1965 | 3.25211 | 
| 1964 | 3.22276 | 
| 1963 | 3.19984 | 
| 1962 | 3.18438 | 
| 1961 | 3.1725 | 
| 1960 | 3.16165 |