表を表示
| 1990 | 30.7% | 2003 | 23.5% | 2016 | 20.3% |
| 1991 | 29% | 2004 | 22.5% | 2017 | 19.6% |
| 1992 | 30% | 2005 | 21.7% | 2018 | 20.2% |
| 1993 | 28.1% | 2006 | 23% | 2019 | 21.6% |
| 1994 | 28.7% | 2007 | 23.3% | 2020 | 20.1% |
| 1995 | 25.7% | 2008 | 23.5% | 2021 | 18.4% |
| 1996 | 25.7% | 2009 | 25% | 2022 | 20.1% |
| 1997 | 26% | 2010 | 22.3% | 2023 | 20.9% |
| 1998 | 22.5% | 2011 | 23.5% | 2024 | 20.6% |
| 1999 | 21.6% | 2012 | 25.4% | 2025 | 19.9% |
| 2000 | 19.6% | 2013 | 24.3% | 2026 | 19.2% |
| 2001 | 23.9% | 2014 | 23.3% | | |
| 2002 | 23.2% | 2015 | 22.2% | | |
表を表示
| 1990 | 392億 | 2003 | 1,071億 | 2016 | 2,531億 |
| 1991 | 427億 | 2004 | 1,163億 | 2017 | 2,694億 |
| 1992 | 493億 | 2005 | 1,236億 | 2018 | 2,918億 |
| 1993 | 526億 | 2006 | 1,436億 | 2019 | 3,262億 |
| 1994 | 611億 | 2007 | 1,625億 | 2020 | 2,857億 |
| 1995 | 623億 | 2008 | 1,896億 | 2021 | 2,852億 |
| 1996 | 709億 | 2009 | 1,867億 | 2022 | 3,605億 |
| 1997 | 798億 | 2010 | 1,857億 | 2023 | 3,810億 |
| 1998 | 694億 | 2011 | 2,175億 | 2024 | 3,976億 |
| 1999 | 709億 | 2012 | 2,502億 | 2025 | 4,025億 |
| 2000 | 760億 | 2013 | 2,511億 | 2026 | 4,188億 |
| 2001 | 916億 | 2014 | 2,618億 | | |
| 2002 | 968億 | 2015 | 2,608億 | | |
表を表示
| 1990 | 30.5% | 2003 | 28.1% | 2016 | 22.9% |
| 1991 | 27.4% | 2004 | 25.9% | 2017 | 22% |
| 1992 | 28.2% | 2005 | 24.5% | 2018 | 22.8% |
| 1993 | 24.6% | 2006 | 25.6% | 2019 | 23.6% |
| 1994 | 23.3% | 2007 | 25.9% | 2020 | 25% |
| 1995 | 22.6% | 2008 | 26.9% | 2021 | 24.5% |
| 1996 | 22.4% | 2009 | 30.9% | 2022 | 24.6% |
| 1997 | 21.2% | 2010 | 26.6% | 2023 | 25% |
| 1998 | 23.1% | 2011 | 27.1% | 2024 | 24% |
| 1999 | 24.6% | 2012 | 28.5% | 2025 | 23.4% |
| 2000 | 25.6% | 2013 | 27.8% | 2026 | 22.5% |
| 2001 | 28.2% | 2014 | 26% | | |
| 2002 | 27.1% | 2015 | 24.7% | | |
表を表示
| 1990 | 390億 | 2003 | 1,280億 | 2016 | 2,857億 |
| 1991 | 403億 | 2004 | 1,336億 | 2017 | 3,025億 |
| 1992 | 463億 | 2005 | 1,397億 | 2018 | 3,301億 |
| 1993 | 462億 | 2006 | 1,599億 | 2019 | 3,566億 |
| 1994 | 495億 | 2007 | 1,804億 | 2020 | 3,552億 |
| 1995 | 548億 | 2008 | 2,171億 | 2021 | 3,787億 |
| 1996 | 619億 | 2009 | 2,306億 | 2022 | 4,423億 |
| 1997 | 649億 | 2010 | 2,216億 | 2023 | 4,560億 |
| 1998 | 713億 | 2011 | 2,505億 | 2024 | 4,642億 |
| 1999 | 807億 | 2012 | 2,808億 | 2025 | 4,740億 |
| 2000 | 995億 | 2013 | 2,870億 | 2026 | 4,908億 |
| 2001 | 1,084億 | 2014 | 2,913億 | | |
| 2002 | 1,133億 | 2015 | 2,908億 | | |