表を表示
| 1997 | 72.2% | 2007 | 53.5% | 2017 | 71.9% |
| 1998 | 71.2% | 2008 | 55.1% | 2018 | 68.5% |
| 1999 | 68.2% | 2009 | 59.7% | 2019 | 66.6% |
| 2000 | 63.8% | 2010 | 57.7% | 2020 | 75.4% |
| 2001 | 60.6% | 2011 | 59.4% | 2021 | 74.8% |
| 2002 | 64.1% | 2012 | 62.1% | 2022 | 64.7% |
| 2003 | 60.2% | 2013 | 70.4% | 2023 | 58% |
| 2004 | 57.5% | 2014 | 72% | 2024 | 54.5% |
| 2005 | 58.2% | 2015 | 73.7% | 2025 | 52.6% |
| 2006 | 56.7% | 2016 | 73.3% | 2026 | 51.5% |
表を表示
| 1997 | 2,392億 | 2007 | 5,170億 | 2017 | 1.11兆 |
| 1998 | 2,739億 | 2008 | 5,959億 | 2018 | 1.14兆 |
| 1999 | 3,025億 | 2009 | 6,825億 | 2019 | 1.14兆 |
| 2000 | 3,196億 | 2010 | 7,155億 | 2020 | 1.25兆 |
| 2001 | 3,415億 | 2011 | 7,727億 | 2021 | 1.4兆 |
| 2002 | 3,913億 | 2012 | 8,283億 | 2022 | 1.39兆 |
| 2003 | 4,083億 | 2013 | 9,503億 | 2023 | 1.37兆 |
| 2004 | 4,240億 | 2014 | 1兆 | 2024 | 1.37兆 |
| 2005 | 4,680億 | 2015 | 1.06兆 | 2025 | 1.4兆 |
| 2006 | 4,947億 | 2016 | 1.08兆 | 2026 | 1.46兆 |
表を表示
| 2011 | 58.2% | 2017 | 65.5% | 2023 | 50.5% |
| 2012 | 60.6% | 2018 | 60.5% | 2024 | 47% |
| 2013 | 68.2% | 2019 | 59.8% | 2025 | 45.5% |
| 2014 | 65.5% | 2020 | 66.3% | 2026 | 44.8% |
| 2015 | 68.8% | 2021 | 65.9% | | |
| 2016 | 69.8% | 2022 | 58.3% | | |
表を表示
| 2011 | 7,564億 | 2017 | 1.02兆 | 2023 | 1.19兆 |
| 2012 | 8,074億 | 2018 | 1.01兆 | 2024 | 1.18兆 |
| 2013 | 9,214億 | 2019 | 1.02兆 | 2025 | 1.21兆 |
| 2014 | 9,144億 | 2020 | 1.1兆 | 2026 | 1.27兆 |
| 2015 | 9,868億 | 2021 | 1.23兆 | | |
| 2016 | 1.03兆 | 2022 | 1.25兆 | | |