年份 | 加拿大 |
---|---|
2023 | - |
2022 | - |
2021 | 3.4 |
2020 | 3.4 |
2019 | 3.4 |
2018 | 3.5 |
2017 | 3.5 |
2016 | 3.5 |
2015 | 3.6 |
2014 | 3.6 |
2013 | 3.7 |
2012 | 3.7 |
2011 | 3.7 |
2010 | 3.7 |
2009 | 3.8 |
2008 | 3.8 |
2007 | 3.8 |
2006 | 3.9 |
2005 | 3.9 |
2004 | 4 |
2003 | 3.9 |
2002 | 3.9 |
2001 | 3.8 |
2000 | 3.8 |
1999 | 3.7 |
1998 | 3.8 |
1997 | 3.9 |
1996 | 4 |
1995 | 4 |
1994 | 4.1 |
1993 | 4.1 |
1992 | 4.2 |
1991 | 4.3 |
1990 | 4.4 |
1989 | 4.5 |
1988 | 4.6 |
1987 | 4.8 |
1986 | 4.9 |
1985 | 5.1 |
1984 | 5.4 |
1983 | 5.6 |
1982 | 5.9 |
1981 | 6.3 |
1980 | 6.8 |
1979 | 7.3 |
1978 | 7.8 |
1977 | 8.3 |
1976 | 8.8 |
1975 | 9.4 |
1974 | 10.1 |
1973 | 10.9 |
1972 | 11.7 |
1971 | 12.5 |
1970 | 13.2 |
1969 | 13.9 |
1968 | - |
1967 | - |
1966 | - |
1965 | - |
1964 | - |
1963 | - |
1962 | - |
1961 | - |
1960 | - |