Show data table
| 1953 | 1.38B | 1978 | 20.1B | 2003 | 32.9B |
| 1954 | 1.4B | 1979 | 23.2B | 2004 | 35.7B |
| 1955 | 1.65B | 1980 | 25B | 2005 | 35.7B |
| 1956 | 1.61B | 1981 | 21.6B | 2006 | 35.9B |
| 1957 | 2B | 1982 | 20.9B | 2007 | 40.2B |
| 1958 | 1.53B | 1983 | 20.7B | 2008 | 45.3B |
| 1959 | 2.47B | 1984 | 18.9B | 2009 | 44.7B |
| 1960 | 2.7B | 1985 | 18.7B | 2010 | 43.1B |
| 1961 | 3.06B | 1986 | 25.9B | 2011 | 45.2B |
| 1962 | 4.04B | 1987 | 32B | 2012 | 43.8B |
| 1963 | 4.67B | 1988 | 32.9B | 2013 | 44.3B |
| 1964 | 4.58B | 1989 | 31.5B | 2014 | 44.7B |
| 1965 | 4.66B | 1990 | 39.7B | 2015 | 38.2B |
| 1966 | 4.74B | 1991 | 37B | 2016 | 39.9B |
| 1967 | 5.01B | 1992 | 39.3B | 2017 | 42.6B |
| 1968 | 4.52B | 1993 | 34.9B | 2018 | 46.5B |
| 1969 | 5.13B | 1994 | 34B | 2019 | 49.1B |
| 1970 | 5.78B | 1995 | 38.6B | 2020 | 53.4B |
| 1971 | 6.8B | 1996 | 36.5B | 2021 | 56.5B |
| 1972 | 8.44B | 1997 | 31.1B | 2022 | 56.1B |
| 1973 | 11.2B | 1998 | 31.1B | 2023 | 68.6B |
| 1974 | 12.9B | 1999 | 30.6B | 2024 | 86.1B |
| 1975 | 14.3B | 2000 | 26.4B | 2025 | 114B |
| 1976 | 14.5B | 2001 | 25.7B | | |
| 1977 | 16.2B | 2002 | 27.6B | | |
Show data table
| 1953 | 3.9% | 1978 | 3% | 2003 | 1.3% |
| 1954 | 3.7% | 1979 | 3% | 2004 | 1.3% |
| 1955 | 3.8% | 1980 | 2.9% | 2005 | 1.2% |
| 1956 | 3.4% | 1981 | 3% | 2006 | 1.2% |
| 1957 | 3.9% | 1982 | 3% | 2007 | 1.2% |
| 1958 | 2.8% | 1983 | 3% | 2008 | 1.2% |
| 1959 | 4.1% | 1984 | 2.9% | 2009 | 1.3% |
| 1960 | 3.8% | 1985 | 2.9% | 2010 | 1.2% |
| 1961 | 3.7% | 1986 | 2.8% | 2011 | 1.2% |
| 1962 | 4.5% | 1987 | 2.8% | 2012 | 1.2% |
| 1963 | 4.9% | 1988 | 2.6% | 2013 | 1.2% |
| 1964 | 4.4% | 1989 | 2.5% | 2014 | 1.1% |
| 1965 | 4.1% | 1990 | 2.5% | 2015 | 1.1% |
| 1966 | 3.9% | 1991 | 2% | 2016 | 1.1% |
| 1967 | 4.1% | 1992 | 1.8% | 2017 | 1.1% |
| 1968 | 3.4% | 1993 | 1.7% | 2018 | 1.1% |
| 1969 | 3.4% | 1994 | 1.5% | 2019 | 1.2% |
| 1970 | 3% | 1995 | 1.5% | 2020 | 1.4% |
| 1971 | 3% | 1996 | 1.5% | 2021 | 1.3% |
| 1972 | 3.2% | 1997 | 1.4% | 2022 | 1.3% |
| 1973 | 3.1% | 1998 | 1.4% | 2023 | 1.5% |
| 1974 | 3.2% | 1999 | 1.4% | 2024 | 1.8% |
| 1975 | 3.3% | 2000 | 1.3% | 2025 | 2.3% |
| 1976 | 3.1% | 2001 | 1.3% | | |
| 1977 | 3% | 2002 | 1.3% | | |