| 年份 | 加拿大  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.79836 | 
| 2021 | 3.67268 | 
| 2020 | 3.57425 | 
| 2019 | 3.49557 | 
| 2018 | 3.42779 | 
| 2017 | 3.36508 | 
| 2016 | 3.29858 | 
| 2015 | 3.22514 | 
| 2014 | 3.14926 | 
| 2013 | 3.07083 | 
| 2012 | 2.98446 | 
| 2011 | 2.88804 | 
| 2010 | 2.78541 | 
| 2009 | 2.69232 | 
| 2008 | 2.60876 | 
| 2007 | 2.52244 | 
| 2006 | 2.43524 | 
| 2005 | 2.34942 | 
| 2004 | 2.26564 | 
| 2003 | 2.18635 | 
| 2002 | 2.11018 | 
| 2001 | 2.03046 | 
| 2000 | 1.94946 | 
| 1999 | 1.894 | 
| 1998 | 1.86434 | 
| 1997 | 1.83865 | 
| 1996 | 1.81233 | 
| 1995 | 1.77749 | 
| 1994 | 1.73037 | 
| 1993 | 1.68087 | 
| 1992 | 1.63283 | 
| 1991 | 1.58956 | 
| 1990 | 1.55191 | 
| 1989 | 1.51863 | 
| 1988 | 1.49193 | 
| 1987 | 1.4616 | 
| 1986 | 1.43257 | 
| 1985 | 1.40573 | 
| 1984 | 1.3726 | 
| 1983 | 1.33733 | 
| 1982 | 1.30633 | 
| 1981 | 1.2839 | 
| 1980 | 1.26531 | 
| 1979 | 1.25042 | 
| 1978 | 1.24283 | 
| 1977 | 1.2396 | 
| 1976 | 1.24154 | 
| 1975 | 1.24814 | 
| 1974 | 1.25792 | 
| 1973 | 1.26808 | 
| 1972 | 1.27468 | 
| 1971 | 1.28162 | 
| 1970 | 1.29184 | 
| 1969 | 1.29381 | 
| 1968 | 1.28435 | 
| 1967 | 1.27311 | 
| 1966 | 1.26444 | 
| 1965 | 1.25033 | 
| 1964 | 1.22622 | 
| 1963 | 1.20441 | 
| 1962 | 1.18316 | 
| 1961 | 1.15944 | 
| 1960 | 1.13126 |