表を表示
| 1990 | 74.1% | 2003 | 41.4% | 2016 | 55.8% |
| 1991 | 67.3% | 2004 | 42% | 2017 | 54.4% |
| 1992 | 59.1% | 2005 | 40.8% | 2018 | 55.6% |
| 1993 | 51.1% | 2006 | 39.7% | 2019 | 57.1% |
| 1994 | 43.7% | 2007 | 39.3% | 2020 | 67.7% |
| 1995 | 38.2% | 2008 | 39.4% | 2021 | 69.2% |
| 1996 | 32.8% | 2009 | 50.4% | 2022 | 65.5% |
| 1997 | 29.6% | 2010 | 51.2% | 2023 | 69.7% |
| 1998 | 33.6% | 2011 | 51.9% | 2024 | 69.8% |
| 1999 | 34.4% | 2012 | 53.8% | 2025 | 70.7% |
| 2000 | 32.5% | 2013 | 55.7% | 2026 | 69.5% |
| 2001 | 38.1% | 2014 | 55.4% | | |
| 2002 | 39.5% | 2015 | 57% | | |
表を表示
| 1990 | 947億 | 2003 | 1,888億 | 2016 | 6,972億 |
| 1991 | 991億 | 2004 | 2,166億 | 2017 | 7,465億 |
| 1992 | 970億 | 2005 | 2,322億 | 2018 | 8,056億 |
| 1993 | 959億 | 2006 | 2,479億 | 2019 | 8,635億 |
| 1994 | 931億 | 2007 | 2,742億 | 2020 | 9,602億 |
| 1995 | 925億 | 2008 | 3,174億 | 2021 | 1.07兆 |
| 1996 | 906億 | 2009 | 3,764億 | 2022 | 1.18兆 |
| 1997 | 909億 | 2010 | 4,267億 | 2023 | 1.27兆 |
| 1998 | 1,038億 | 2011 | 4,799億 | 2024 | 1.35兆 |
| 1999 | 1,126億 | 2012 | 5,298億 | 2025 | 1.43兆 |
| 2000 | 1,262億 | 2013 | 5,750億 | 2026 | 1.51兆 |
| 2001 | 1,462億 | 2014 | 6,214億 | | |
| 2002 | 1,650億 | 2015 | 6,705億 | | |