Show data table
| 1958 | 71.2M | 1983 | 21.9B | 2006 | 29.6B |
| 1959 | 72.3M | 1984 | 22.7B | 2007 | 35.5B |
| 1960 | 141M | 1985 | 17.7B | 2008 | 38.2B |
| 1961 | 71.6M | 1987 | 14.5B | 2009 | 41.3B |
| 1962 | 84.2M | 1988 | 13.4B | 2010 | 45.2B |
| 1963 | 114M | 1989 | 12.7B | 2011 | 48.5B |
| 1964 | 124M | 1990 | 16.4B | 2012 | 56.5B |
| 1965 | 178M | 1991 | 16.4B | 2013 | 67B |
| 1966 | 300M | 1992 | 15.4B | 2014 | 80.8B |
| 1967 | 336M | 1993 | 16.5B | 2015 | 87.2B |
| 1968 | 339M | 1994 | 14.3B | 2016 | 63.7B |
| 1969 | 429M | 1995 | 13.2B | 2017 | 70.4B |
| 1970 | 472M | 1996 | 13.3B | 2018 | 74.6B |
| 1971 | 587M | 1997 | 18.1B | 2019 | 65.4B |
| 1972 | 931M | 1998 | 20.9B | 2020 | 64.6B |
| 1973 | 1.57B | 1999 | 18.3B | 2021 | 63.2B |
| 1977 | 11.6B | 2000 | 20B | 2022 | 70.9B |
| 1978 | 13.4B | 2001 | 21B | 2023 | 77.8B |
| 1979 | 17.6B | 2002 | 18.5B | 2024 | 80.3B |
| 1980 | 20.7B | 2003 | 18.7B | 2025 | 83.2B |
| 1981 | 24.4B | 2004 | 20.9B | | |
| 1982 | 27.1B | 2005 | 25.4B | | |
Show data table
| 1963 | 5.9% | 1987 | 16.9% | 2007 | 8.5% |
| 1964 | 6% | 1988 | 15.2% | 2008 | 7.4% |
| 1965 | 7.7% | 1989 | 13.4% | 2009 | 9.6% |
| 1966 | 11.3% | 1990 | 14% | 2010 | 8.6% |
| 1967 | 11.5% | 1991 | 12.5% | 2011 | 7.1% |
| 1968 | 8.1% | 1992 | 11.3% | 2012 | 7.5% |
| 1969 | 9.6% | 1993 | 12.5% | 2013 | 8.7% |
| 1970 | 9.4% | 1994 | 10.6% | 2014 | 10.3% |
| 1971 | 8.6% | 1995 | 9.3% | 2015 | 12.6% |
| 1972 | 10.1% | 1996 | 8.5% | 2016 | 9.2% |
| 1973 | 10.8% | 1997 | 11% | 2017 | 9.5% |
| 1977 | 15.6% | 1998 | 14.3% | 2018 | 8.4% |
| 1978 | 16.7% | 1999 | 11.4% | 2019 | 7.4% |
| 1979 | 15.8% | 2000 | 10.5% | 2020 | 8.4% |
| 1980 | 12.6% | 2001 | 11.4% | 2021 | 6.4% |
| 1981 | 13.3% | 2002 | 9.8% | 2022 | 5.7% |
| 1982 | 17.7% | 2003 | 8.7% | 2023 | 6.4% |
| 1983 | 17% | 2004 | 8.1% | 2024 | 6.4% |
| 1984 | 19% | 2005 | 7.7% | 2025 | 6.5% |
| 1985 | 17% | 2006 | 7.8% | | |