Show data table
| 1953 | 344M | 1980 | 2.26B | 2004 | 9.78B |
| 1957 | 605M | 1981 | 2.52B | 2005 | 13.6B |
| 1958 | 411M | 1982 | 3.03B | 2006 | 16.4B |
| 1959 | 383M | 1983 | 2.08B | 2007 | 20.5B |
| 1960 | 383M | 1984 | 2.01B | 2008 | 24.5B |
| 1961 | 342M | 1985 | 2.69B | 2009 | 25.6B |
| 1962 | 387M | 1986 | 2.76B | 2010 | 34B |
| 1963 | 442M | 1987 | 4.32B | 2011 | 36.9B |
| 1964 | 354M | 1988 | 5.87B | 2012 | 34B |
| 1965 | 633M | 1989 | 8.76B | 2013 | 32.9B |
| 1966 | 718M | 1990 | 9.24B | 2014 | 32.7B |
| 1967 | 746M | 1991 | 6.69B | 2015 | 24.6B |
| 1968 | 755M | 1992 | 4.99B | 2016 | 24.2B |
| 1969 | 817M | 1993 | 7.1B | 2017 | 29.3B |
| 1970 | 1.03B | 1994 | 10.6B | 2018 | 28.2B |
| 1971 | 1.08B | 1995 | 14.3B | 2019 | 25.9B |
| 1972 | 1.2B | 1996 | 14.1B | 2020 | 19.6B |
| 1973 | 1.51B | 1997 | 13.9B | 2021 | 19.2B |
| 1974 | 1.79B | 1998 | 14.4B | 2022 | 20.5B |
| 1975 | 2.14B | 1999 | 9.87B | 2023 | 21.8B |
| 1976 | 2.58B | 2000 | 11.3B | 2024 | 21B |
| 1977 | 2.5B | 2001 | 10.9B | 2025 | 23.9B |
| 1978 | 2.69B | 2002 | 9.66B | | |
| 1979 | 2.83B | 2003 | 8.39B | | |
Show data table
| 1953 | 3.6% | 1980 | 1.1% | 2004 | 1.5% |
| 1957 | 4.4% | 1981 | 1.1% | 2005 | 1.5% |
| 1958 | 4.1% | 1982 | 1.3% | 2006 | 1.5% |
| 1959 | 3% | 1983 | 1.3% | 2007 | 1.5% |
| 1960 | 2.7% | 1984 | 1.2% | 2008 | 1.4% |
| 1961 | 2.4% | 1985 | 1.4% | 2009 | 1.5% |
| 1962 | 2.4% | 1986 | 1.2% | 2010 | 1.5% |
| 1963 | 2.3% | 1987 | 1.7% | 2011 | 1.4% |
| 1964 | 2% | 1988 | 2.1% | 2012 | 1.4% |
| 1965 | 3.4% | 1989 | 2.7% | 2013 | 1.3% |
| 1966 | 3% | 1990 | 2.4% | 2014 | 1.3% |
| 1967 | 2.9% | 1991 | 2% | 2015 | 1.4% |
| 1968 | 2.6% | 1992 | 1.5% | 2016 | 1.3% |
| 1969 | 2.6% | 1993 | 1.9% | 2017 | 1.4% |
| 1970 | 2.9% | 1994 | 2% | 2018 | 1.5% |
| 1971 | 2.6% | 1995 | 1.9% | 2019 | 1.4% |
| 1972 | 2.4% | 1996 | 1.7% | 2020 | 1.3% |
| 1973 | 2.2% | 1997 | 1.6% | 2021 | 1.1% |
| 1974 | 1.9% | 1998 | 1.7% | 2022 | 1.1% |
| 1975 | 2% | 1999 | 1.6% | 2023 | 1% |
| 1976 | 2% | 2000 | 1.7% | 2024 | 1% |
| 1977 | 1.7% | 2001 | 2% | 2025 | 1.1% |
| 1978 | 1.6% | 2002 | 1.9% | | |
| 1979 | 1.5% | 2003 | 1.5% | | |