表を表示
| 1990 | 16.7% | 2003 | 22.4% | 2016 | 28.8% |
| 1991 | 39.9% | 2004 | 24.1% | 2017 | 27.1% |
| 1992 | 32.9% | 2005 | 31.7% | 2018 | 29.5% |
| 1993 | 28.6% | 2006 | 35.8% | 2019 | 29.9% |
| 1994 | 28.3% | 2007 | 34.8% | 2020 | 28% |
| 1995 | 29.7% | 2008 | 39.6% | 2021 | 29.9% |
| 1996 | 28.5% | 2009 | 28.9% | 2022 | 32.5% |
| 1997 | 29.3% | 2010 | 30.9% | 2023 | 28.5% |
| 1998 | 26.8% | 2011 | 34.7% | 2024 | 27.8% |
| 1999 | 25.6% | 2012 | 36.4% | 2025 | 27.7% |
| 2000 | 32.4% | 2013 | 36.9% | 2026 | 27.4% |
| 2001 | 26.4% | 2014 | 33.2% | | |
| 2002 | 20.1% | 2015 | 20.1% | | |
表を表示
| 1990 | 298億 | 2003 | 1,023億 | 2016 | 4,031億 |
| 1991 | 721億 | 2004 | 1,309億 | 2017 | 4,012億 |
| 1992 | 627億 | 2005 | 2,105億 | 2018 | 4,777億 |
| 1993 | 548億 | 2006 | 2,918億 | 2019 | 4,765億 |
| 1994 | 597億 | 2007 | 3,294億 | 2020 | 3,679億 |
| 1995 | 692億 | 2008 | 4,587億 | 2021 | 4,639億 |
| 1996 | 763億 | 2009 | 2,688億 | 2022 | 6,113億 |
| 1997 | 829億 | 2010 | 3,489億 | 2023 | 5,466億 |
| 1998 | 742億 | 2011 | 4,699億 | 2024 | 5,644億 |
| 1999 | 793億 | 2012 | 5,248億 | 2025 | 5,819億 |
| 2000 | 1,227億 | 2013 | 5,548億 | 2026 | 6,246億 |
| 2001 | 1,003億 | 2014 | 5,177億 | | |
| 2002 | 810億 | 2015 | 2,813億 | | |
表を表示
| 1991 | 36% | 2003 | 20.1% | 2015 | 26.4% |
| 1992 | 29.6% | 2004 | 17.7% | 2016 | 31.7% |
| 1993 | 31.5% | 2005 | 15.7% | 2017 | 27.2% |
| 1994 | 30.1% | 2006 | 15.6% | 2018 | 25.9% |
| 1995 | 26.1% | 2007 | 17.7% | 2019 | 27.4% |
| 1996 | 27.6% | 2008 | 22% | 2020 | 30.5% |
| 1997 | 22.6% | 2009 | 35% | 2021 | 25.9% |
| 1998 | 25.8% | 2010 | 30.4% | 2022 | 22.7% |
| 1999 | 24.3% | 2011 | 29.6% | 2023 | 22.7% |
| 2000 | 21.8% | 2012 | 27.8% | 2024 | 21.4% |
| 2001 | 25.2% | 2013 | 28.9% | 2025 | 22.6% |
| 2002 | 21.3% | 2014 | 31.4% | 2026 | 22.5% |
表を表示
| 1991 | 651億 | 2003 | 916億 | 2015 | 3,704億 |
| 1992 | 564億 | 2004 | 961億 | 2016 | 4,445億 |
| 1993 | 603億 | 2005 | 1,044億 | 2017 | 4,035億 |
| 1994 | 635億 | 2006 | 1,275億 | 2018 | 4,186億 |
| 1995 | 609億 | 2007 | 1,672億 | 2019 | 4,367億 |
| 1996 | 738億 | 2008 | 2,543億 | 2020 | 3,995億 |
| 1997 | 639億 | 2009 | 3,259億 | 2021 | 4,024億 |
| 1998 | 715億 | 2010 | 3,430億 | 2022 | 4,271億 |
| 1999 | 753億 | 2011 | 4,014億 | 2023 | 4,350億 |
| 2000 | 824億 | 2012 | 4,009億 | 2024 | 4,343億 |
| 2001 | 957億 | 2013 | 4,345億 | 2025 | 4,738億 |
| 2002 | 860億 | 2014 | 4,905億 | 2026 | 5,129億 |