| 年份 | 加拿大 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.0680306 |
| 2020 | 0.0751575 |
| 2019 | 0.0705505 |
| 2018 | 0.0613771 |
| 2017 | 0.0863558 |
| 2016 | 0.0779732 |
| 2015 | 0.0768661 |
| 2014 | 0.0762735 |
| 2013 | 0.0726685 |
| 2012 | 0.066417 |
| 2011 | 0.0734701 |
| 2010 | 0.0706135 |
| 2009 | 0.0601805 |
| 2008 | 0.0727447 |
| 2007 | 0.0965129 |
| 2006 | 0.11199 |
| 2005 | 0.12807 |
| 2004 | 0.151064 |
| 2003 | 0.131027 |
| 2002 | 0.164436 |
| 2001 | 0.156723 |
| 2000 | 0.198401 |
| 1999 | 0.207706 |
| 1998 | 0.173761 |
| 1997 | 0.247278 |
| 1996 | 0.263066 |
| 1995 | 0.2877 |
| 1994 | 0.276555 |
| 1993 | 0.300788 |
| 1992 | 0.187579 |
| 1991 | 0.160268 |
| 1990 | 0.185269 |
| 1989 | 0.199255 |
| 1988 | 0.214103 |
| 1987 | 0.221701 |
| 1986 | 0.214301 |
| 1985 | 0.177719 |
| 1984 | 0.18978 |
| 1983 | 0.184716 |
| 1982 | 0.191925 |
| 1981 | 0.212358 |
| 1980 | 0.284456 |
| 1979 | 0.339223 |
| 1978 | 0.29751 |
| 1977 | 0.26314 |
| 1976 | 0.233447 |
| 1975 | 0.247952 |
| 1974 | 0.253923 |
| 1973 | 0.31032 |
| 1972 | 0.198596 |
| 1971 | 0.202141 |
| 1970 | 0.209545 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |