Datentabelle
| 1949 | 467 Mio. | 1975 | 4,22 Mrd. | 2001 | 19,5 Mrd. |
| 1950 | 501 Mio. | 1976 | 3,84 Mrd. | 2002 | 21,6 Mrd. |
| 1951 | 649 Mio. | 1977 | 4,56 Mrd. | 2003 | 26,8 Mrd. |
| 1952 | 739 Mio. | 1978 | 5,54 Mrd. | 2004 | 30,3 Mrd. |
| 1953 | 681 Mio. | 1979 | 6,9 Mrd. | 2005 | 29,7 Mrd. |
| 1954 | 771 Mio. | 1980 | 7,92 Mrd. | 2006 | 29,6 Mrd. |
| 1955 | 782 Mio. | 1981 | 7,39 Mrd. | 2007 | 32 Mrd. |
| 1956 | 829 Mio. | 1982 | 8,06 Mrd. | 2008 | 36,8 Mrd. |
| 1957 | 867 Mio. | 1983 | 8,41 Mrd. | 2009 | 34,1 Mrd. |
| 1958 | 918 Mio. | 1984 | 8,3 Mrd. | 2010 | 32 Mrd. |
| 1959 | 953 Mio. | 1985 | 8,25 Mrd. | 2011 | 33,8 Mrd. |
| 1960 | 1,01 Mrd. | 1986 | 11,9 Mrd. | 2012 | 29,8 Mrd. |
| 1961 | 1,06 Mrd. | 1987 | 15,7 Mrd. | 2013 | 30 Mrd. |
| 1962 | 1,22 Mrd. | 1988 | 17,4 Mrd. | 2014 | 27,1 Mrd. |
| 1963 | 1,46 Mrd. | 1989 | 17,7 Mrd. | 2015 | 21,7 Mrd. |
| 1964 | 1,59 Mrd. | 1990 | 20,7 Mrd. | 2016 | 24,4 Mrd. |
| 1965 | 1,72 Mrd. | 1991 | 21,6 Mrd. | 2017 | 25,1 Mrd. |
| 1966 | 1,9 Mrd. | 1992 | 22,2 Mrd. | 2018 | 27,7 Mrd. |
| 1967 | 1,93 Mrd. | 1993 | 18,2 Mrd. | 2019 | 25,2 Mrd. |
| 1968 | 1,99 Mrd. | 1994 | 18,1 Mrd. | 2020 | 31,6 Mrd. |
| 1969 | 2 Mrd. | 1995 | 17,2 Mrd. | 2021 | 35 Mrd. |
| 1970 | 2,22 Mrd. | 1996 | 20,8 Mrd. | 2022 | 33,7 Mrd. |
| 1971 | 2,65 Mrd. | 1997 | 20,2 Mrd. | 2023 | 35,5 Mrd. |
| 1972 | 3,29 Mrd. | 1998 | 20,8 Mrd. | 2024 | 37,8 Mrd. |
| 1973 | 3,64 Mrd. | 1999 | 21 Mrd. | 2025 | 48,1 Mrd. |
| 1974 | 3,89 Mrd. | 2000 | 19,9 Mrd. | | |
Datentabelle
| 1951 | 3,8% | 1976 | 1,8% | 2001 | 1,7% |
| 1952 | 4% | 1977 | 1,9% | 2002 | 1,7% |
| 1953 | 3,3% | 1978 | 1,9% | 2003 | 1,7% |
| 1954 | 3,5% | 1979 | 1,9% | 2004 | 1,7% |
| 1955 | 3,3% | 1980 | 1,8% | 2005 | 1,6% |
| 1956 | 3,2% | 1981 | 1,8% | 2006 | 1,5% |
| 1957 | 3,1% | 1982 | 2% | 2007 | 1,4% |
| 1958 | 3% | 1983 | 2% | 2008 | 1,5% |
| 1959 | 3% | 1984 | 2% | 2009 | 1,5% |
| 1960 | 2,7% | 1985 | 1,9% | 2010 | 1,5% |
| 1961 | 2,6% | 1986 | 2% | 2011 | 1,5% |
| 1962 | 2,6% | 1987 | 2,1% | 2012 | 1,4% |
| 1963 | 2,8% | 1988 | 2,1% | 2013 | 1,4% |
| 1964 | 2,7% | 1989 | 2% | 2014 | 1,3% |
| 1965 | 2,7% | 1990 | 1,9% | 2015 | 1,2% |
| 1966 | 3% | 1991 | 1,9% | 2016 | 1,3% |
| 1967 | 2,8% | 1992 | 1,8% | 2017 | 1,3% |
| 1968 | 2,6% | 1993 | 1,8% | 2018 | 1,3% |
| 1969 | 2,4% | 1994 | 1,7% | 2019 | 1,2% |
| 1970 | 2,1% | 1995 | 1,5% | 2020 | 1,7% |
| 1971 | 2,2% | 1996 | 1,6% | 2021 | 1,6% |
| 1972 | 2,4% | 1997 | 1,6% | 2022 | 1,6% |
| 1973 | 2,2% | 1998 | 1,6% | 2023 | 1,5% |
| 1974 | 2,1% | 1999 | 1,7% | 2024 | 1,6% |
| 1975 | 2% | 2000 | 1,7% | 2025 | 1,9% |