Datentabelle
| 1949 | 1,21 Mrd. | 1975 | 10,9 Mrd. | 2001 | 28 Mrd. |
| 1950 | 1,34 Mrd. | 1976 | 11,2 Mrd. | 2002 | 30,7 Mrd. |
| 1951 | 2,11 Mrd. | 1977 | 12,6 Mrd. | 2003 | 38,7 Mrd. |
| 1952 | 3,01 Mrd. | 1978 | 15,9 Mrd. | 2004 | 44,6 Mrd. |
| 1953 | 3,28 Mrd. | 1979 | 19 Mrd. | 2005 | 44,5 Mrd. |
| 1954 | 2,81 Mrd. | 1980 | 22,2 Mrd. | 2006 | 45,8 Mrd. |
| 1955 | 2,64 Mrd. | 1981 | 20 Mrd. | 2007 | 50,8 Mrd. |
| 1956 | 3,53 Mrd. | 1982 | 18,9 Mrd. | 2008 | 55,6 Mrd. |
| 1957 | 3,62 Mrd. | 1983 | 18,2 Mrd. | 2009 | 56,7 Mrd. |
| 1958 | 3,32 Mrd. | 1984 | 17 Mrd. | 2010 | 52,1 Mrd. |
| 1959 | 3,05 Mrd. | 1985 | 17,5 Mrd. | 2011 | 54,2 Mrd. |
| 1960 | 3,26 Mrd. | 1986 | 23,9 Mrd. | 2012 | 50,2 Mrd. |
| 1961 | 3,47 Mrd. | 1987 | 29,3 Mrd. | 2013 | 52 Mrd. |
| 1962 | 3,77 Mrd. | 1988 | 30,3 Mrd. | 2014 | 53,2 Mrd. |
| 1963 | 3,89 Mrd. | 1989 | 29,7 Mrd. | 2015 | 45,7 Mrd. |
| 1964 | 4,13 Mrd. | 1990 | 35,8 Mrd. | 2016 | 45,7 Mrd. |
| 1965 | 4,3 Mrd. | 1991 | 35,9 Mrd. | 2017 | 48 Mrd. |
| 1966 | 4,55 Mrd. | 1992 | 37,9 Mrd. | 2018 | 51,3 Mrd. |
| 1967 | 4,92 Mrd. | 1993 | 35,8 Mrd. | 2019 | 50,5 Mrd. |
| 1968 | 5,15 Mrd. | 1994 | 37,3 Mrd. | 2020 | 53,5 Mrd. |
| 1969 | 4,96 Mrd. | 1995 | 40,1 Mrd. | 2021 | 58,7 Mrd. |
| 1970 | 4,94 Mrd. | 1996 | 39 Mrd. | 2022 | 54,7 Mrd. |
| 1971 | 5,29 Mrd. | 1997 | 34,7 Mrd. | 2023 | 59,5 Mrd. |
| 1972 | 6,33 Mrd. | 1998 | 33,6 Mrd. | 2024 | 63,6 Mrd. |
| 1973 | 7,98 Mrd. | 1999 | 32,7 Mrd. | 2025 | 68 Mrd. |
| 1974 | 8,36 Mrd. | 2000 | 28,5 Mrd. | | |
Datentabelle
| 1950 | 4,7% | 1976 | 3,2% | 2002 | 2,1% |
| 1951 | 6% | 1977 | 3,2% | 2003 | 2,1% |
| 1952 | 7,2% | 1978 | 3,2% | 2004 | 2,1% |
| 1953 | 7,6% | 1979 | 3,1% | 2005 | 2% |
| 1954 | 6,1% | 1980 | 3,2% | 2006 | 2% |
| 1955 | 5,4% | 1981 | 3,2% | 2007 | 1,9% |
| 1956 | 6,5% | 1982 | 3,2% | 2008 | 1,9% |
| 1957 | 6,2% | 1983 | 3,2% | 2009 | 2,1% |
| 1958 | 5,7% | 1984 | 3,2% | 2010 | 2% |
| 1959 | 5,6% | 1985 | 3,1% | 2011 | 1,9% |
| 1960 | 5,4% | 1986 | 3,1% | 2012 | 1,9% |
| 1961 | 5,3% | 1987 | 3,1% | 2013 | 1,8% |
| 1962 | 5,2% | 1988 | 3% | 2014 | 1,9% |
| 1963 | 4,7% | 1989 | 2,9% | 2015 | 1,9% |
| 1964 | 4,5% | 1990 | 2,8% | 2016 | 1,9% |
| 1965 | 4,4% | 1991 | 2,8% | 2017 | 1,9% |
| 1966 | 4,3% | 1992 | 2,7% | 2018 | 1,8% |
| 1967 | 4,3% | 1993 | 2,7% | 2019 | 1,9% |
| 1968 | 4,1% | 1994 | 2,7% | 2020 | 2% |
| 1969 | 3,7% | 1995 | 2,5% | 2021 | 2% |
| 1970 | 3,5% | 1996 | 2,4% | 2022 | 2% |
| 1971 | 3,3% | 1997 | 2,4% | 2023 | 1,9% |
| 1972 | 3,2% | 1998 | 2,2% | 2024 | 2% |
| 1973 | 3,1% | 1999 | 2,2% | 2025 | 2% |
| 1974 | 3,1% | 2000 | 2,1% | | |
| 1975 | 3,2% | 2001 | 2% | | |