Show data table
| 1961 | 3.92M | 1982 | 29.5M | 2005 | 86.5M |
| 1962 | 4.34M | 1983 | 26.8M | 2006 | 96M |
| 1963 | 4.38M | 1984 | 25.4M | 2007 | 110M |
| 1964 | 5.17M | 1985 | 29.8M | 2008 | 143M |
| 1965 | 4.65M | 1986 | 37.5M | 2009 | 144M |
| 1966 | 4.64M | 1987 | 44.3M | 2010 | 147M |
| 1967 | 5.08M | 1988 | 48M | 2011 | 161M |
| 1968 | 5.25M | 1989 | 46.1M | 2012 | 149M |
| 1969 | 5.67M | 1990 | 52.2M | 2013 | 154M |
| 1970 | 6.15M | 1993 | 44.5M | 2014 | 218M |
| 1971 | 6.32M | 1994 | 29.9M | 2015 | 309M |
| 1972 | 8.33M | 1995 | 40.5M | 2016 | 362M |
| 1973 | 11M | 1996 | 39.7M | 2017 | 460M |
| 1974 | 11.6M | 1997 | 40.3M | 2018 | 482M |
| 1975 | 19.1M | 1998 | 41M | 2019 | 476M |
| 1976 | 21.8M | 1999 | 43.9M | 2020 | 594M |
| 1977 | 26.1M | 2000 | 43.7M | 2021 | 653M |
| 1978 | 31M | 2001 | 44.9M | 2022 | 582M |
| 1979 | 36.2M | 2002 | 49.4M | 2023 | 785M |
| 1980 | 38.3M | 2003 | 66.8M | 2024 | 933M |
| 1981 | 31.6M | 2004 | 77.4M | 2025 | 953M |
Show data table
| 1961 | 2.7% | 1982 | 2.1% | 2005 | 1.4% |
| 1962 | 2.9% | 1983 | 2% | 2006 | 1.4% |
| 1963 | 2.6% | 1984 | 2% | 2007 | 1.4% |
| 1964 | 2.9% | 1985 | 2.1% | 2008 | 1.5% |
| 1965 | 2.5% | 1986 | 2% | 2009 | 1.4% |
| 1966 | 2.4% | 1987 | 2.1% | 2010 | 1.4% |
| 1967 | 2.4% | 1988 | 2.2% | 2011 | 1.2% |
| 1968 | 2% | 1989 | 2.1% | 2012 | 1.2% |
| 1969 | 2.2% | 1990 | 2% | 2013 | 1.2% |
| 1970 | 2.2% | 1993 | 1.6% | 2014 | 1.5% |
| 1971 | 1.9% | 1994 | 1.4% | 2015 | 2.4% |
| 1972 | 2.4% | 1995 | 1.5% | 2016 | 2.6% |
| 1973 | 2.7% | 1996 | 1.4% | 2017 | 3% |
| 1974 | 2.9% | 1997 | 1.5% | 2018 | 2.8% |
| 1975 | 3.2% | 1998 | 1.4% | 2019 | 2.8% |
| 1976 | 2.9% | 1999 | 1.5% | 2020 | 3.4% |
| 1977 | 3.1% | 2000 | 1.5% | 2021 | 3.4% |
| 1978 | 3.2% | 2001 | 1.3% | 2022 | 3.1% |
| 1979 | 3% | 2002 | 1.3% | 2023 | 3.8% |
| 1980 | 2.1% | 2003 | 1.4% | 2024 | 4.2% |
| 1981 | 2% | 2004 | 1.4% | 2025 | 3.9% |