Show data table
| 1962 | 305M | 1984 | 2.53B | 2006 | 1.85B |
| 1963 | 242M | 1985 | 2.03B | 2007 | 2.3B |
| 1964 | 246M | 1986 | 2.45B | 2008 | 2.79B |
| 1965 | 252M | 1987 | 2.49B | 2009 | 2.98B |
| 1966 | 279M | 1988 | 2.7B | 2010 | 3.48B |
| 1967 | 252M | 1989 | 1.44B | 2011 | 4.05B |
| 1968 | 337M | 1990 | 2.05B | 2012 | 4.56B |
| 1969 | 443M | 1991 | 2.86B | 2013 | 5.14B |
| 1970 | 446M | 1992 | 3.25B | 2014 | 4.98B |
| 1971 | 520M | 1993 | 3.37B | 2015 | 5.48B |
| 1972 | 766M | 1994 | 3.75B | 2016 | 4.51B |
| 1973 | 1.29B | 1995 | 3.8B | 2017 | 5.46B |
| 1974 | 1.63B | 1996 | 3.38B | 2018 | 3.84B |
| 1975 | 798M | 1997 | 3.34B | 2019 | 3.13B |
| 1976 | 2.05B | 1998 | 3.4B | 2020 | 2.83B |
| 1977 | 2.06B | 1999 | 3.46B | 2021 | 3.07B |
| 1978 | 3.1B | 2000 | 3.27B | 2022 | 4.34B |
| 1979 | 5.06B | 2001 | 3.18B | 2023 | 4.88B |
| 1980 | 6.48B | 2002 | 1.11B | 2024 | 4.18B |
| 1981 | 5.88B | 2003 | 1.37B | 2025 | 3.88B |
| 1982 | 2.28B | 2004 | 1.47B | | |
| 1983 | 2.85B | 2005 | 1.7B | | |
Show data table
| 1950 | 2.9% | 1981 | 3.5% | 2004 | 0.9% |
| 1959 | 0.8% | 1982 | 2.7% | 2005 | 0.8% |
| 1960 | 1.6% | 1983 | 2.7% | 2006 | 0.8% |
| 1961 | 2.1% | 1984 | 2.2% | 2007 | 0.8% |
| 1962 | 2.7% | 1985 | 2.3% | 2008 | 0.8% |
| 1963 | 1.7% | 1986 | 2.3% | 2009 | 0.9% |
| 1964 | 1.1% | 1987 | 2.3% | 2010 | 0.8% |
| 1965 | 1.1% | 1988 | 2.1% | 2011 | 0.8% |
| 1966 | 1.2% | 1989 | 1.9% | 2012 | 0.8% |
| 1967 | 1.4% | 1990 | 1.5% | 2013 | 0.8% |
| 1968 | 1.7% | 1991 | 1.5% | 2014 | 0.9% |
| 1969 | 1.9% | 1992 | 1.4% | 2015 | 0.9% |
| 1970 | 1.9% | 1993 | 1.4% | 2016 | 0.8% |
| 1971 | 1.8% | 1994 | 1.5% | 2017 | 0.8% |
| 1972 | 1.8% | 1995 | 1.5% | 2018 | 0.7% |
| 1973 | 1.8% | 1996 | 1.2% | 2019 | 0.7% |
| 1974 | 1.7% | 1997 | 1.1% | 2020 | 0.7% |
| 1975 | 2% | 1998 | 1.1% | 2021 | 0.6% |
| 1976 | 3.8% | 1999 | 1.2% | 2022 | 0.7% |
| 1977 | 4% | 2000 | 1.1% | 2023 | 0.8% |
| 1978 | 4.7% | 2001 | 1.2% | 2024 | 0.7% |
| 1979 | 4.7% | 2002 | 1.1% | 2025 | 0.6% |
| 1980 | 3.1% | 2003 | 1.1% | | |