表を表示
| 1995 | 37.8% | 2006 | 41.6% | 2017 | 39.3% |
| 1996 | 35% | 2007 | 40.2% | 2018 | 39.8% |
| 1997 | 36.7% | 2008 | 42.4% | 2019 | 39.4% |
| 1998 | 35.6% | 2009 | 40.8% | 2020 | 39.7% |
| 1999 | 31.9% | 2010 | 41.8% | 2021 | 36.5% |
| 2000 | 32.2% | 2011 | 41.4% | 2022 | 49.8% |
| 2001 | 32.4% | 2012 | 43% | 2023 | 54.1% |
| 2002 | 34.7% | 2013 | 41.7% | 2024 | 54% |
| 2003 | 36.6% | 2014 | 40.3% | 2025 | 51.2% |
| 2004 | 35.8% | 2015 | 41.9% | 2026 | 43.8% |
| 2005 | 40.4% | 2016 | 38.3% | | |
表を表示
| 1995 | 206億 | 2006 | 2,352億 | 2017 | 1.17兆 |
| 1996 | 285億 | 2007 | 3,016億 | 2018 | 1.42兆 |
| 1997 | 342億 | 2008 | 4,197億 | 2019 | 1.57兆 |
| 1998 | 365億 | 2009 | 3,863億 | 2020 | 1.68兆 |
| 1999 | 416億 | 2010 | 4,682億 | 2021 | 1.99兆 |
| 2000 | 568億 | 2011 | 5,582億 | 2022 | 2.61兆 |
| 2001 | 684億 | 2012 | 6,274億 | 2023 | 3.58兆 |
| 2002 | 813億 | 2013 | 6,348億 | 2024 | 4.14兆 |
| 2003 | 1,015億 | 2014 | 6,397億 | 2025 | 4.55兆 |
| 2004 | 1,281億 | 2015 | 8,329億 | 2026 | 4.38兆 |
| 2005 | 1,846億 | 2016 | 9,142億 | | |
表を表示
| 1995 | 42.7% | 2006 | 42.9% | 2017 | 41.7% |
| 1996 | 38.2% | 2007 | 42.1% | 2018 | 41.9% |
| 1997 | 42.2% | 2008 | 45.4% | 2019 | 41.5% |
| 1998 | 38.4% | 2009 | 46.8% | 2020 | 45.6% |
| 1999 | 26.7% | 2010 | 47.3% | 2021 | 40.5% |
| 2000 | 35.4% | 2011 | 44% | 2022 | 65.4% |
| 2001 | 35.3% | 2012 | 47.1% | 2023 | 73.4% |
| 2002 | 36.5% | 2013 | 46.3% | 2024 | 71.2% |
| 2003 | 37.5% | 2014 | 44.8% | 2025 | 74.5% |
| 2004 | 40.1% | 2015 | 43% | 2026 | 62.2% |
| 2005 | 42.6% | 2016 | 40.8% | | |
表を表示
| 1995 | 233億 | 2006 | 2,427億 | 2017 | 1.24兆 |
| 1996 | 311億 | 2007 | 3,159億 | 2018 | 1.49兆 |
| 1997 | 394億 | 2008 | 4,496億 | 2019 | 1.65兆 |
| 1998 | 393億 | 2009 | 4,435億 | 2020 | 1.93兆 |
| 1999 | 349億 | 2010 | 5,305億 | 2021 | 2.21兆 |
| 2000 | 624億 | 2011 | 5,941億 | 2022 | 3.43兆 |
| 2001 | 746億 | 2012 | 6,879億 | 2023 | 4.87兆 |
| 2002 | 854億 | 2013 | 7,049億 | 2024 | 5.46兆 |
| 2003 | 1,039億 | 2014 | 7,105億 | 2025 | 6.62兆 |
| 2004 | 1,433億 | 2015 | 8,559億 | 2026 | 6.23兆 |
| 2005 | 1,947億 | 2016 | 9,729億 | | |