Show data table
| 1951 | 2.48M | 1976 | 23.7M | 2001 | 675M |
| 1952 | 3.22M | 1977 | 28.1M | 2002 | 572M |
| 1953 | 4.45M | 1978 | 21.9M | 2003 | 542M |
| 1954 | 7.05M | 1979 | 28.1M | 2004 | 619M |
| 1955 | 6.42M | 1980 | 30.8M | 2005 | 644M |
| 1956 | 7.65M | 1981 | 27.7M | 2006 | 791M |
| 1957 | 10.7M | 1982 | 26M | 2007 | 1.05B |
| 1958 | 15.5M | 1983 | 46M | 2008 | 1.51B |
| 1959 | 16.8M | 1984 | 55.8M | 2009 | 1.52B |
| 1960 | 16.7M | 1985 | 189M | 2010 | 1.53B |
| 1961 | 17.1M | 1986 | 173M | 2011 | 1.75B |
| 1962 | 15.8M | 1987 | 227M | 2012 | 1.47B |
| 1963 | 13.9M | 1988 | 165M | 2013 | 1.6B |
| 1964 | 13.9M | 1989 | 126M | 2014 | 1.91B |
| 1965 | 14.5M | 1990 | 187M | 2015 | 2.06B |
| 1966 | 15.3M | 1991 | 277M | 2016 | 1.74B |
| 1967 | 15.7M | 1992 | 327M | 2017 | 1.87B |
| 1968 | 14.3M | 1993 | 355M | 2018 | 1.64B |
| 1969 | 15.9M | 1994 | 437M | 2019 | 1.56B |
| 1970 | 21M | 1995 | 764M | 2020 | 1.48B |
| 1971 | 32.3M | 1996 | 767M | 2021 | 1.52B |
| 1972 | 30.3M | 1997 | 699M | 2022 | 1.01B |
| 1973 | 25.1M | 1998 | 733M | 2023 | 1.11B |
| 1974 | 28.4M | 1999 | 631M | 2024 | 1.26B |
| 1975 | 30.5M | 2000 | 822M | 2025 | 1.39B |
Show data table
| 1951 | 0.2% | 1976 | 0.7% | 2001 | 4.3% |
| 1952 | 0.3% | 1977 | 0.7% | 2002 | 3.3% |
| 1953 | 0.4% | 1978 | 0.8% | 2003 | 2.9% |
| 1954 | 0.7% | 1979 | 0.8% | 2004 | 3% |
| 1955 | 0.5% | 1980 | 0.8% | 2005 | 2.6% |
| 1956 | 0.7% | 1981 | 0.6% | 2006 | 2.8% |
| 1957 | 0.9% | 1982 | 0.5% | 2007 | 3.3% |
| 1958 | 1.2% | 1983 | 0.9% | 2008 | 3.2% |
| 1959 | 1.2% | 1984 | 0.9% | 2009 | 3.2% |
| 1960 | 1.2% | 1985 | 3.2% | 2010 | 2.7% |
| 1961 | 1.2% | 1986 | 2.7% | 2011 | 2.7% |
| 1962 | 1.1% | 1987 | 3.4% | 2012 | 2.2% |
| 1963 | 0.9% | 1988 | 2.4% | 2013 | 2.2% |
| 1964 | 0.9% | 1989 | 1.8% | 2014 | 2.4% |
| 1965 | 0.9% | 1990 | 2.3% | 2015 | 2.4% |
| 1966 | 0.9% | 1991 | 3.1% | 2016 | 2% |
| 1967 | 0.8% | 1992 | 3.4% | 2017 | 2% |
| 1968 | 0.8% | 1993 | 3.4% | 2018 | 1.7% |
| 1969 | 0.8% | 1994 | 3.7% | 2019 | 1.8% |
| 1970 | 0.9% | 1995 | 5.9% | 2020 | 1.8% |
| 1971 | 1.4% | 1996 | 5.5% | 2021 | 1.7% |
| 1972 | 1.2% | 1997 | 4.6% | 2022 | 1.3% |
| 1973 | 0.9% | 1998 | 4.6% | 2023 | 1.3% |
| 1974 | 0.8% | 1999 | 4% | 2024 | 1.3% |
| 1975 | 0.8% | 2000 | 5% | 2025 | 1.3% |