Datentabelle
| 1985 | 30,2% | 1999 | -18,3% | 2013 | 10,4% |
| 1986 | 6,5% | 2000 | 6,9% | 2014 | 1,2% |
| 1987 | 3,4% | 2001 | 2,6% | 2015 | -11,4% |
| 1988 | -3,1% | 2002 | -4,6% | 2016 | -16,7% |
| 1989 | -4,7% | 2003 | 8,1% | 2017 | -13,8% |
| 1990 | -1,6% | 2004 | 8,6% | 2018 | -2,9% |
| 1991 | -1,1% | 2005 | 16% | 2019 | -4,2% |
| 1992 | -8,3% | 2006 | 19,8% | 2020 | -16,2% |
| 1993 | -12,8% | 2007 | 3,1% | 2021 | -8,3% |
| 1994 | -22,6% | 2008 | 36,1% | 2022 | -0,3% |
| 1995 | -19,8% | 2009 | 3,6% | 2023 | -8,6% |
| 1996 | -8,7% | 2010 | 11,3% | 2024 | -12,9% |
| 1997 | -11,8% | 2011 | 21,5% | 2025 | -13,4% |
| 1998 | -24% | 2012 | 19,5% | 2026 | -10,7% |
Datentabelle
| 1980 | 5,13 Mrd. | 1996 | -884 Mio. | 2012 | 4,65 Mrd. |
| 1981 | 7,08 Mrd. | 1997 | -1,23 Mrd. | 2013 | 2,36 Mrd. |
| 1982 | 5,71 Mrd. | 1998 | -2,15 Mrd. | 2014 | 270 Mio. |
| 1983 | 2,12 Mrd. | 1999 | -1,79 Mrd. | 2015 | -2,03 Mrd. |
| 1984 | 3,21 Mrd. | 2000 | 786 Mio. | 2016 | -2,63 Mrd. |
| 1985 | 3,22 Mrd. | 2001 | 287 Mio. | 2017 | -2,31 Mrd. |
| 1986 | 464 Mio. | 2002 | -535 Mio. | 2018 | -531 Mio. |
| 1987 | 278 Mio. | 2003 | 1,02 Mrd. | 2019 | -764 Mio. |
| 1988 | -228 Mio. | 2004 | 1,26 Mrd. | 2020 | -2,69 Mrd. |
| 1989 | -375 Mio. | 2005 | 2,81 Mrd. | 2021 | -1,57 Mrd. |
| 1990 | -145 Mio. | 2006 | 4 Mrd. | 2022 | -58 Mio. |
| 1991 | -96 Mio. | 2007 | 638 Mio. | 2023 | -1,75 Mrd. |
| 1992 | -745 Mio. | 2008 | 8,17 Mrd. | 2024 | -2,64 Mrd. |
| 1993 | -1,15 Mrd. | 2009 | 624 Mio. | 2025 | -2,8 Mrd. |
| 1994 | -2,07 Mrd. | 2010 | 2,11 Mrd. | 2026 | -2,33 Mrd. |
| 1995 | -2,01 Mrd. | 2011 | 5,02 Mrd. | | |
Datentabelle
| 1985 | 30,2% | 1999 | -18,3% | 2013 | 10,4% |
| 1986 | 6,5% | 2000 | 6,9% | 2014 | 1,2% |
| 1987 | 3,4% | 2001 | 2,6% | 2015 | -11,4% |
| 1988 | -3,1% | 2002 | -4,6% | 2016 | -16,7% |
| 1989 | -4,7% | 2003 | 8,1% | 2017 | -13,8% |
| 1990 | -1,6% | 2004 | 8,6% | 2018 | -2,9% |
| 1991 | -1,1% | 2005 | 16% | 2019 | -4,2% |
| 1992 | -8,3% | 2006 | 19,8% | 2020 | -16,2% |
| 1993 | -12,8% | 2007 | 3,1% | 2021 | -8,3% |
| 1994 | -22,6% | 2008 | 36,1% | 2022 | -0,3% |
| 1995 | -19,8% | 2009 | 3,6% | 2023 | -8,6% |
| 1996 | -8,7% | 2010 | 11,3% | 2024 | -12,9% |
| 1997 | -11,8% | 2011 | 21,5% | 2025 | -13,4% |
| 1998 | -24% | 2012 | 19,5% | 2026 | -10,7% |
Datentabelle
| 1980 | 5,13 Mrd. | 1996 | -884 Mio. | 2012 | 4,65 Mrd. |
| 1981 | 7,08 Mrd. | 1997 | -1,23 Mrd. | 2013 | 2,36 Mrd. |
| 1982 | 5,71 Mrd. | 1998 | -2,15 Mrd. | 2014 | 270 Mio. |
| 1983 | 2,12 Mrd. | 1999 | -1,79 Mrd. | 2015 | -2,03 Mrd. |
| 1984 | 3,21 Mrd. | 2000 | 786 Mio. | 2016 | -2,63 Mrd. |
| 1985 | 3,22 Mrd. | 2001 | 287 Mio. | 2017 | -2,31 Mrd. |
| 1986 | 464 Mio. | 2002 | -535 Mio. | 2018 | -531 Mio. |
| 1987 | 278 Mio. | 2003 | 1,02 Mrd. | 2019 | -764 Mio. |
| 1988 | -228 Mio. | 2004 | 1,26 Mrd. | 2020 | -2,69 Mrd. |
| 1989 | -375 Mio. | 2005 | 2,81 Mrd. | 2021 | -1,57 Mrd. |
| 1990 | -145 Mio. | 2006 | 4 Mrd. | 2022 | -58 Mio. |
| 1991 | -96 Mio. | 2007 | 638 Mio. | 2023 | -1,75 Mrd. |
| 1992 | -745 Mio. | 2008 | 8,17 Mrd. | 2024 | -2,64 Mrd. |
| 1993 | -1,15 Mrd. | 2009 | 624 Mio. | 2025 | -2,8 Mrd. |
| 1994 | -2,07 Mrd. | 2010 | 2,11 Mrd. | 2026 | -2,33 Mrd. |
| 1995 | -2,01 Mrd. | 2011 | 5,02 Mrd. | | |