表を表示
| 1980 | 49.2% | 1996 | 53.4% | 2012 | 54.8% |
| 1981 | 48% | 1997 | 53.3% | 2013 | 52.6% |
| 1982 | 47.7% | 1998 | 51.3% | 2014 | 52.3% |
| 1983 | 49.4% | 1999 | 52.5% | 2015 | 52.5% |
| 1984 | 48.3% | 2000 | 56.6% | 2016 | 52.7% |
| 1985 | 50.5% | 2001 | 56.6% | 2017 | 52.4% |
| 1986 | 50% | 2002 | 55.3% | 2018 | 53.7% |
| 1987 | 50.9% | 2003 | 54.9% | 2019 | 54.7% |
| 1988 | 51% | 2004 | 55.5% | 2020 | 52.1% |
| 1989 | 49.8% | 2005 | 56.2% | 2021 | 54.6% |
| 1990 | 51.1% | 2006 | 57.9% | 2022 | 60.9% |
| 1991 | 50.2% | 2007 | 57.3% | 2023 | 60.1% |
| 1992 | 49.6% | 2008 | 57.4% | 2024 | 59.7% |
| 1993 | 48.9% | 2009 | 54.7% | 2025 | 58.9% |
| 1994 | 49.7% | 2010 | 54.2% | 2026 | 59.5% |
| 1995 | 52.6% | 2011 | 55.3% | | |
表を表示
| 1980 | 1,560億 | 1996 | 5,595億 | 2012 | 1.67兆 |
| 1981 | 1,747億 | 1997 | 6,032億 | 2013 | 1.67兆 |
| 1982 | 1,923億 | 1998 | 5,920億 | 2014 | 1.7兆 |
| 1983 | 2,212億 | 1999 | 6,605億 | 2015 | 1.7兆 |
| 1984 | 2,440億 | 2000 | 8,507億 | 2016 | 1.7兆 |
| 1985 | 2,830億 | 2001 | 8,834億 | 2017 | 1.8兆 |
| 1986 | 2,898億 | 2002 | 8,630億 | 2018 | 1.99兆 |
| 1987 | 3,223億 | 2003 | 8,908億 | 2019 | 2.04兆 |
| 1988 | 3,372億 | 2004 | 9,939億 | 2020 | 1.87兆 |
| 1989 | 3,516億 | 2005 | 1.13兆 | 2021 | 2.45兆 |
| 1990 | 3,816億 | 2006 | 1.3兆 | 2022 | 3.62兆 |
| 1991 | 3,939億 | 2007 | 1.37兆 | 2023 | 3.19兆 |
| 1992 | 4,004億 | 2008 | 1.53兆 | 2024 | 3.21兆 |
| 1993 | 4,156億 | 2009 | 1.36兆 | 2025 | 3.25兆 |
| 1994 | 4,432億 | 2010 | 1.44兆 | 2026 | 3.45兆 |
| 1995 | 5,037億 | 2011 | 1.59兆 | | |
表を表示
| 1980 | 44.1% | 1996 | 47.4% | 2012 | 41.4% |
| 1981 | 43.4% | 1997 | 45.9% | 2013 | 42.3% |
| 1982 | 44% | 1998 | 48.2% | 2014 | 44% |
| 1983 | 43.6% | 1999 | 46.7% | 2015 | 46.7% |
| 1984 | 41.6% | 2000 | 41.5% | 2016 | 48.8% |
| 1985 | 41% | 2001 | 43.4% | 2017 | 47.6% |
| 1986 | 44.4% | 2002 | 46.3% | 2018 | 46.1% |
| 1987 | 46.7% | 2003 | 47.7% | 2019 | 48.4% |
| 1988 | 48.6% | 2004 | 44.7% | 2020 | 54.5% |
| 1989 | 48.2% | 2005 | 41.6% | 2021 | 44.7% |
| 1990 | 49.1% | 2006 | 40.1% | 2022 | 36.2% |
| 1991 | 50.3% | 2007 | 40.5% | 2023 | 44.2% |
| 1992 | 51.6% | 2008 | 39.2% | 2024 | 46.9% |
| 1993 | 50.5% | 2009 | 44.7% | 2025 | 49.6% |
| 1994 | 49.7% | 2010 | 43.6% | 2026 | 49.3% |
| 1995 | 49.6% | 2011 | 42.3% | | |
表を表示
| 1980 | 1,397億 | 1996 | 4,961億 | 2012 | 1.26兆 |
| 1981 | 1,580億 | 1997 | 5,193億 | 2013 | 1.34兆 |
| 1982 | 1,774億 | 1998 | 5,563億 | 2014 | 1.43兆 |
| 1983 | 1,955億 | 1999 | 5,881億 | 2015 | 1.51兆 |
| 1984 | 2,102億 | 2000 | 6,237億 | 2016 | 1.57兆 |
| 1985 | 2,298億 | 2001 | 6,770億 | 2017 | 1.64兆 |
| 1986 | 2,577億 | 2002 | 7,218億 | 2018 | 1.71兆 |
| 1987 | 2,954億 | 2003 | 7,738億 | 2019 | 1.81兆 |
| 1988 | 3,214億 | 2004 | 8,002億 | 2020 | 1.96兆 |
| 1989 | 3,406億 | 2005 | 8,344億 | 2021 | 2兆 |
| 1990 | 3,670億 | 2006 | 9,006億 | 2022 | 2.15兆 |
| 1991 | 3,948億 | 2007 | 9,672億 | 2023 | 2.35兆 |
| 1992 | 4,172億 | 2008 | 1.04兆 | 2024 | 2.52兆 |
| 1993 | 4,297億 | 2009 | 1.11兆 | 2025 | 2.73兆 |
| 1994 | 4,428億 | 2010 | 1.16兆 | 2026 | 2.86兆 |
| 1995 | 4,752億 | 2011 | 1.22兆 | | |