Datentabelle
| 1981 | 19,9% | 1997 | 20,5% | 2013 | 21% |
| 1982 | 16,3% | 1998 | 16,7% | 2014 | 20,8% |
| 1983 | 14,4% | 1999 | 17,8% | 2015 | 18,6% |
| 1984 | 14,2% | 2000 | 16,9% | 2016 | 22,6% |
| 1985 | 15,5% | 2001 | 13,4% | 2017 | 22,9% |
| 1986 | 14,5% | 2002 | 13,7% | 2018 | 20,7% |
| 1987 | 14,8% | 2003 | 16,4% | 2019 | 20,4% |
| 1988 | 15% | 2004 | 17,9% | 2020 | 20,7% |
| 1989 | 15% | 2005 | 17,2% | 2021 | 23,7% |
| 1990 | 14,5% | 2006 | 18,8% | 2022 | 21,7% |
| 1991 | 15,9% | 2007 | 21,3% | 2023 | 18,1% |
| 1992 | 16,2% | 2008 | 18,9% | 2024 | 17,4% |
| 1993 | 17,3% | 2009 | 18,8% | 2025 | 18,5% |
| 1994 | 16,4% | 2010 | 20,7% | 2026 | 17,7% |
| 1995 | 15,8% | 2011 | 22,4% | | |
| 1996 | 16,4% | 2012 | 21,4% | | |
Datentabelle
| 1981 | 35,8 Mrd. | 1997 | 281 Mrd. | 2013 | 455 Mrd. |
| 1982 | 32,3 Mrd. | 1998 | 216 Mrd. | 2014 | 479 Mrd. |
| 1983 | 32,8 Mrd. | 1999 | 233 Mrd. | 2015 | 450 Mrd. |
| 1984 | 38,5 Mrd. | 2000 | 225 Mrd. | 2016 | 573 Mrd. |
| 1985 | 43,7 Mrd. | 2001 | 176 Mrd. | 2017 | 620 Mrd. |
| 1986 | 48,6 Mrd. | 2002 | 177 Mrd. | 2018 | 600 Mrd. |
| 1987 | 60,9 Mrd. | 2003 | 207 Mrd. | 2019 | 591 Mrd. |
| 1988 | 72,7 Mrd. | 2004 | 238 Mrd. | 2020 | 564 Mrd. |
| 1989 | 82,4 Mrd. | 2005 | 247 Mrd. | 2021 | 694 Mrd. |
| 1990 | 89,5 Mrd. | 2006 | 288 Mrd. | 2022 | 622 Mrd. |
| 1991 | 115 Mrd. | 2007 | 358 Mrd. | 2023 | 549 Mrd. |
| 1992 | 135 Mrd. | 2008 | 317 Mrd. | 2024 | 565 Mrd. |
| 1993 | 167 Mrd. | 2009 | 318 Mrd. | 2025 | 627 Mrd. |
| 1994 | 175 Mrd. | 2010 | 376 Mrd. | 2026 | 634 Mrd. |
| 1995 | 180 Mrd. | 2011 | 438 Mrd. | | |
| 1996 | 208 Mrd. | 2012 | 442 Mrd. | | |
Datentabelle
| 1981 | 17,1% | 1997 | 14,1% | 2013 | 20% |
| 1982 | 16,7% | 1998 | 18,5% | 2014 | 17,3% |
| 1983 | 15,5% | 1999 | 17,1% | 2015 | 18% |
| 1984 | 13,3% | 2000 | 17,5% | 2016 | 18,3% |
| 1985 | 14,5% | 2001 | 18,2% | 2017 | 17,4% |
| 1986 | 12,7% | 2002 | 18,5% | 2018 | 18,4% |
| 1987 | 11,8% | 2003 | 19,6% | 2019 | 21% |
| 1988 | 11,7% | 2004 | 18,2% | 2020 | 29,9% |
| 1989 | 13% | 2005 | 16,2% | 2021 | 23,7% |
| 1990 | 13,8% | 2006 | 14,8% | 2022 | 28,3% |
| 1991 | 12,8% | 2007 | 13,9% | 2023 | 23,7% |
| 1992 | 13,5% | 2008 | 18,6% | 2024 | 23,2% |
| 1993 | 15,3% | 2009 | 17,3% | 2025 | 23,2% |
| 1994 | 15,4% | 2010 | 16,6% | 2026 | 22,9% |
| 1995 | 16,1% | 2011 | 18,6% | | |
| 1996 | 14,4% | 2012 | 18,3% | | |
Datentabelle
| 1981 | 30,8 Mrd. | 1997 | 194 Mrd. | 2013 | 434 Mrd. |
| 1982 | 33,1 Mrd. | 1998 | 239 Mrd. | 2014 | 396 Mrd. |
| 1983 | 35,3 Mrd. | 1999 | 223 Mrd. | 2015 | 436 Mrd. |
| 1984 | 36,1 Mrd. | 2000 | 233 Mrd. | 2016 | 462 Mrd. |
| 1985 | 40,8 Mrd. | 2001 | 239 Mrd. | 2017 | 471 Mrd. |
| 1986 | 42,7 Mrd. | 2002 | 239 Mrd. | 2018 | 532 Mrd. |
| 1987 | 48,4 Mrd. | 2003 | 247 Mrd. | 2019 | 608 Mrd. |
| 1988 | 56,6 Mrd. | 2004 | 242 Mrd. | 2020 | 816 Mrd. |
| 1989 | 71,4 Mrd. | 2005 | 233 Mrd. | 2021 | 693 Mrd. |
| 1990 | 85,6 Mrd. | 2006 | 227 Mrd. | 2022 | 810 Mrd. |
| 1991 | 92,2 Mrd. | 2007 | 235 Mrd. | 2023 | 721 Mrd. |
| 1992 | 113 Mrd. | 2008 | 312 Mrd. | 2024 | 753 Mrd. |
| 1993 | 147 Mrd. | 2009 | 293 Mrd. | 2025 | 789 Mrd. |
| 1994 | 164 Mrd. | 2010 | 301 Mrd. | 2026 | 818 Mrd. |
| 1995 | 183 Mrd. | 2011 | 364 Mrd. | | |
| 1996 | 183 Mrd. | 2012 | 377 Mrd. | | |