表を表示
| 1997 | 12.5% | 2007 | 16.6% | 2017 | 14.1% |
| 1998 | 12.3% | 2008 | 15.1% | 2018 | 14.3% |
| 1999 | 12.6% | 2009 | 13.3% | 2019 | 14.4% |
| 2000 | 13.2% | 2010 | 13.1% | 2020 | 14.2% |
| 2001 | 14.2% | 2011 | 12.9% | 2021 | 15.5% |
| 2002 | 14.2% | 2012 | 13.6% | 2022 | 15.3% |
| 2003 | 13% | 2013 | 14.1% | 2023 | 15.8% |
| 2004 | 13.7% | 2014 | 14.3% | 2024 | 16.4% |
| 2005 | 14.8% | 2015 | 16.7% | 2025 | 15.8% |
| 2006 | 15.3% | 2016 | 13.9% | 2026 | 15.9% |
表を表示
| 1997 | 351億 | 2007 | 2,421億 | 2017 | 5,315億 |
| 1998 | 392億 | 2008 | 2,501億 | 2018 | 6,011億 |
| 1999 | 442億 | 2009 | 2,300億 | 2019 | 6,568億 |
| 2000 | 520億 | 2010 | 2,594億 | 2020 | 6,323億 |
| 2001 | 605億 | 2011 | 2,852億 | 2021 | 8,412億 |
| 2002 | 678億 | 2012 | 3,229億 | 2022 | 9,557億 |
| 2003 | 816億 | 2013 | 3,687億 | 2023 | 1.07兆 |
| 2004 | 1,285億 | 2014 | 4,168億 | 2024 | 1.21兆 |
| 2005 | 1,602億 | 2015 | 5,337億 | 2025 | 1.24兆 |
| 2006 | 1,925億 | 2016 | 4,837億 | 2026 | 1.37兆 |
表を表示
| 1997 | 13.2% | 2007 | 16.3% | 2017 | 17.3% |
| 1998 | 12.6% | 2008 | 18.5% | 2018 | 16.5% |
| 1999 | 13.4% | 2009 | 16.2% | 2019 | 17.8% |
| 2000 | 14.1% | 2010 | 16.1% | 2020 | 22.2% |
| 2001 | 14.9% | 2011 | 16% | 2021 | 18.4% |
| 2002 | 16.5% | 2012 | 19.8% | 2022 | 18.5% |
| 2003 | 17.2% | 2013 | 18.5% | 2023 | 19.1% |
| 2004 | 17.3% | 2014 | 17% | 2024 | 19.5% |
| 2005 | 15.5% | 2015 | 16.7% | 2025 | 19.3% |
| 2006 | 16.9% | 2016 | 17% | 2026 | 19.4% |
表を表示
| 1997 | 369億 | 2007 | 2,380億 | 2017 | 6,489億 |
| 1998 | 401億 | 2008 | 3,071億 | 2018 | 6,926億 |
| 1999 | 470億 | 2009 | 2,803億 | 2019 | 8,149億 |
| 2000 | 554億 | 2010 | 3,183億 | 2020 | 9,846億 |
| 2001 | 636億 | 2011 | 3,529億 | 2021 | 9,997億 |
| 2002 | 787億 | 2012 | 4,721億 | 2022 | 1.16兆 |
| 2003 | 1,083億 | 2013 | 4,841億 | 2023 | 1.29兆 |
| 2004 | 1,622億 | 2014 | 4,974億 | 2024 | 1.44兆 |
| 2005 | 1,679億 | 2015 | 5,347億 | 2025 | 1.53兆 |
| 2006 | 2,138億 | 2016 | 5,919億 | 2026 | 1.67兆 |