表を表示
| 1980 | 54.2% | 1996 | 56.9% | 2012 | 49.1% |
| 1981 | 57.7% | 1997 | 56.3% | 2013 | 49.7% |
| 1982 | 57.8% | 1998 | 56.4% | 2014 | 48.9% |
| 1983 | 58.9% | 1999 | 55.8% | 2015 | 49.1% |
| 1984 | 58.3% | 2000 | 55.3% | 2016 | 50.4% |
| 1985 | 58.8% | 2001 | 53.1% | 2017 | 50.5% |
| 1986 | 60.2% | 2002 | 51.2% | 2018 | 50.4% |
| 1987 | 61.6% | 2003 | 51.7% | 2019 | 49.2% |
| 1988 | 60.2% | 2004 | 51.8% | 2020 | 48.8% |
| 1989 | 60.2% | 2005 | 53.3% | 2021 | 49.2% |
| 1990 | 61.2% | 2006 | 52.3% | 2022 | 49.3% |
| 1991 | 61.5% | 2007 | 51.8% | 2023 | 48.3% |
| 1992 | 58% | 2008 | 51.3% | 2024 | 47.8% |
| 1993 | 57.1% | 2009 | 50.8% | 2025 | 48% |
| 1994 | 56.5% | 2010 | 49.6% | 2026 | 47% |
| 1995 | 55.1% | 2011 | 48.7% | | |
表を表示
| 1980 | 3,210億 | 1996 | 1.11兆 | 2012 | 1.83兆 |
| 1981 | 3,741億 | 1997 | 1.15兆 | 2013 | 1.89兆 |
| 1982 | 4,103億 | 1998 | 1.22兆 | 2014 | 1.94兆 |
| 1983 | 4,684億 | 1999 | 1.27兆 | 2015 | 2.08兆 |
| 1984 | 5,208億 | 2000 | 1.33兆 | 2016 | 2.21兆 |
| 1985 | 5,717億 | 2001 | 1.33兆 | 2017 | 2.31兆 |
| 1986 | 6,407億 | 2002 | 1.33兆 | 2018 | 2.41兆 |
| 1987 | 7,104億 | 2003 | 1.4兆 | 2019 | 2.47兆 |
| 1988 | 7,593億 | 2004 | 1.47兆 | 2020 | 2.45兆 |
| 1989 | 8,404億 | 2005 | 1.56兆 | 2021 | 2.66兆 |
| 1990 | 9,399億 | 2006 | 1.63兆 | 2022 | 2.87兆 |
| 1991 | 1.01兆 | 2007 | 1.72兆 | 2023 | 2.97兆 |
| 1992 | 9,543億 | 2008 | 1.74兆 | 2024 | 3.06兆 |
| 1993 | 9,444億 | 2009 | 1.69兆 | 2025 | 3.15兆 |
| 1994 | 9,972億 | 2010 | 1.76兆 | 2026 | 3.22兆 |
| 1995 | 1.05兆 | 2011 | 1.8兆 | | |
表を表示
| 1980 | 59.5% | 1996 | 60% | 2012 | 50.2% |
| 1981 | 62.1% | 1997 | 57.9% | 2013 | 51.4% |
| 1982 | 64% | 1998 | 55.6% | 2014 | 50.7% |
| 1983 | 63.7% | 1999 | 55.2% | 2015 | 49.4% |
| 1984 | 61% | 2000 | 52.2% | 2016 | 49.5% |
| 1985 | 62.1% | 2001 | 51.7% | 2017 | 49.2% |
| 1986 | 60.2% | 2002 | 52.7% | 2018 | 49.8% |
| 1987 | 58% | 2003 | 53% | 2019 | 48.8% |
| 1988 | 56.6% | 2004 | 51.7% | 2020 | 52% |
| 1989 | 56.6% | 2005 | 51.2% | 2021 | 49.3% |
| 1990 | 57.5% | 2006 | 50.1% | 2022 | 48.3% |
| 1991 | 61.2% | 2007 | 48.5% | 2023 | 48.9% |
| 1992 | 66.5% | 2008 | 49.4% | 2024 | 49.3% |
| 1993 | 67.9% | 2009 | 51.7% | 2025 | 49.4% |
| 1994 | 65.3% | 2010 | 49.7% | 2026 | 49.4% |
| 1995 | 62.1% | 2011 | 49.1% | | |
表を表示
| 1980 | 3,527億 | 1996 | 1.18兆 | 2012 | 1.87兆 |
| 1981 | 4,020億 | 1997 | 1.19兆 | 2013 | 1.95兆 |
| 1982 | 4,543億 | 1998 | 1.2兆 | 2014 | 2.01兆 |
| 1983 | 5,061億 | 1999 | 1.25兆 | 2015 | 2.09兆 |
| 1984 | 5,446億 | 2000 | 1.26兆 | 2016 | 2.18兆 |
| 1985 | 6,037億 | 2001 | 1.3兆 | 2017 | 2.25兆 |
| 1986 | 6,406億 | 2002 | 1.37兆 | 2018 | 2.38兆 |
| 1987 | 6,685億 | 2003 | 1.43兆 | 2019 | 2.45兆 |
| 1988 | 7,135億 | 2004 | 1.46兆 | 2020 | 2.61兆 |
| 1989 | 7,906億 | 2005 | 1.5兆 | 2021 | 2.67兆 |
| 1990 | 8,832億 | 2006 | 1.56兆 | 2022 | 2.81兆 |
| 1991 | 1.01兆 | 2007 | 1.61兆 | 2023 | 3兆 |
| 1992 | 1.09兆 | 2008 | 1.68兆 | 2024 | 3.15兆 |
| 1993 | 1.12兆 | 2009 | 1.72兆 | 2025 | 3.25兆 |
| 1994 | 1.15兆 | 2010 | 1.77兆 | 2026 | 3.39兆 |
| 1995 | 1.18兆 | 2011 | 1.82兆 | | |