表を表示
| 1995 | 42.9% | 2006 | 40.8% | 2017 | 39.6% |
| 1996 | 45.8% | 2007 | 41% | 2018 | 40.8% |
| 1997 | 41.4% | 2008 | 40.4% | 2019 | 40.7% |
| 1998 | 39.7% | 2009 | 37.7% | 2020 | 40.9% |
| 1999 | 40.1% | 2010 | 38.6% | 2021 | 41.9% |
| 2000 | 38.9% | 2011 | 39.1% | 2022 | 39.9% |
| 2001 | 39.8% | 2012 | 39.4% | 2023 | 41.7% |
| 2002 | 40.1% | 2013 | 39% | 2024 | 43% |
| 2003 | 39.3% | 2014 | 39% | 2025 | 42.9% |
| 2004 | 38.4% | 2015 | 38.9% | 2026 | 44.4% |
| 2005 | 40.2% | 2016 | 38.7% | | |
表を表示
| 1995 | 1,460億 | 2006 | 4,376億 | 2017 | 7,916億 |
| 1996 | 1,949億 | 2007 | 4,871億 | 2018 | 8,761億 |
| 1997 | 2,150億 | 2008 | 5,217億 | 2019 | 9,415億 |
| 1998 | 2,403億 | 2009 | 5,182億 | 2020 | 9,660億 |
| 1999 | 2,690億 | 2010 | 5,560億 | 2021 | 1.11兆 |
| 2000 | 2,922億 | 2011 | 6,122億 | 2022 | 1.24兆 |
| 2001 | 3,133億 | 2012 | 6,388億 | 2023 | 1.42兆 |
| 2002 | 3,279億 | 2013 | 6,381億 | 2024 | 1.57兆 |
| 2003 | 3,352億 | 2014 | 6,673億 | 2025 | 1.67兆 |
| 2004 | 3,588億 | 2015 | 7,040億 | 2026 | 1.84兆 |
| 2005 | 3,992億 | 2016 | 7,216億 | | |
表を表示
| 1995 | 47.3% | 2006 | 44.3% | 2017 | 41.1% |
| 1996 | 50.6% | 2007 | 42.8% | 2018 | 41% |
| 1997 | 46% | 2008 | 44% | 2019 | 41.4% |
| 1998 | 43.9% | 2009 | 44.9% | 2020 | 47.7% |
| 1999 | 42.4% | 2010 | 46% | 2021 | 43.6% |
| 2000 | 42.9% | 2011 | 44.1% | 2022 | 43.2% |
| 2001 | 44.6% | 2012 | 43.2% | 2023 | 46.9% |
| 2002 | 44.9% | 2013 | 43.2% | 2024 | 49.4% |
| 2003 | 45.3% | 2014 | 42.7% | 2025 | 50% |
| 2004 | 43.4% | 2015 | 41.5% | 2026 | 51.2% |
| 2005 | 44.1% | 2016 | 41.1% | | |
表を表示
| 1995 | 1,609億 | 2006 | 4,754億 | 2017 | 8,213億 |
| 1996 | 2,155億 | 2007 | 5,095億 | 2018 | 8,814億 |
| 1997 | 2,389億 | 2008 | 5,681億 | 2019 | 9,585億 |
| 1998 | 2,660億 | 2009 | 6,177億 | 2020 | 1.13兆 |
| 1999 | 2,844億 | 2010 | 6,631億 | 2021 | 1.16兆 |
| 2000 | 3,221億 | 2011 | 6,900億 | 2022 | 1.34兆 |
| 2001 | 3,503億 | 2012 | 7,003億 | 2023 | 1.6兆 |
| 2002 | 3,671億 | 2013 | 7,077億 | 2024 | 1.81兆 |
| 2003 | 3,863億 | 2014 | 7,300億 | 2025 | 1.95兆 |
| 2004 | 4,055億 | 2015 | 7,509億 | 2026 | 2.12兆 |
| 2005 | 4,382億 | 2016 | 7,660億 | | |