Show data table
| 1961 | 1.93M | 1983 | 10.2M | 2005 | 23.6M |
| 1962 | 1.98M | 1984 | 9.92M | 2006 | 28M |
| 1963 | 2.16M | 1985 | 6.28M | 2007 | 29.1M |
| 1964 | 2.35M | 1986 | 7.23M | 2008 | 23.6M |
| 1965 | 2.51M | 1987 | 4.59M | 2009 | 26.4M |
| 1966 | 2.54M | 1988 | 9.01M | 2010 | 25.1M |
| 1967 | 2.88M | 1989 | 14.4M | 2011 | 25.5M |
| 1968 | 2.66M | 1990 | 12.4M | 2012 | 29.8M |
| 1969 | 3.3M | 1991 | 23.2M | 2013 | 31.7M |
| 1970 | 3.99M | 1992 | 26.7M | 2014 | 48.8M |
| 1971 | 3.77M | 1993 | 23.3M | 2015 | 39.2M |
| 1972 | 4.23M | 1994 | 26.5M | 2016 | 43.1M |
| 1973 | 5.02M | 1995 | 25M | 2017 | 39.4M |
| 1974 | 6.78M | 1996 | 18.6M | 2018 | 29.8M |
| 1975 | 6.53M | 1997 | 9.49M | 2019 | 24.5M |
| 1976 | 6.02M | 1998 | 10.1M | 2020 | 32.5M |
| 1977 | 7.06M | 1999 | 17M | 2021 | 43M |
| 1978 | 8.12M | 2000 | 23.3M | 2022 | 41.5M |
| 1979 | 10.8M | 2001 | 29.9M | 2023 | 38.7M |
| 1980 | 15.9M | 2002 | 27.1M | 2024 | 51.3M |
| 1981 | 15.8M | 2003 | 28.5M | 2025 | 32.2M |
| 1982 | 14.1M | 2004 | 23M | | |
Show data table
| 1961 | 0.7% | 1983 | 0.4% | 2005 | 0.9% |
| 1962 | 0.7% | 1984 | 0.3% | 2006 | 0.9% |
| 1963 | 0.8% | 1985 | 0.2% | 2007 | 0.8% |
| 1964 | 0.8% | 1986 | 0.3% | 2008 | 0.6% |
| 1965 | 0.7% | 1987 | 0.3% | 2009 | 0.7% |
| 1966 | 0.7% | 1988 | 0.3% | 2010 | 0.6% |
| 1967 | 0.8% | 1989 | 0.5% | 2011 | 0.5% |
| 1968 | 0.8% | 1990 | 0.8% | 2012 | 0.5% |
| 1969 | 0.9% | 1991 | 1.3% | 2013 | 0.5% |
| 1970 | 0.9% | 1992 | 1.7% | 2014 | 0.7% |
| 1971 | 0.9% | 1993 | 1.3% | 2015 | 0.6% |
| 1972 | 1% | 1994 | 1.3% | 2016 | 0.7% |
| 1973 | 1% | 1995 | 1.2% | 2017 | 0.7% |
| 1974 | 1.2% | 1996 | 0.8% | 2018 | 0.5% |
| 1975 | 1% | 1997 | 0.5% | 2019 | 0.4% |
| 1976 | 1.1% | 1998 | 0.6% | 2020 | 0.5% |
| 1977 | 1.1% | 1999 | 1.1% | 2021 | 0.6% |
| 1978 | 1% | 2000 | 1.6% | 2022 | 0.6% |
| 1979 | 1.1% | 2001 | 1.7% | 2023 | 0.6% |
| 1980 | 0.6% | 2002 | 1.4% | 2024 | 0.7% |
| 1981 | 0.5% | 2003 | 1.3% | 2025 | 0.4% |
| 1982 | 0.4% | 2004 | 1% | | |