表を表示
| 1980 | 34.4% | 1996 | 41.1% | 2012 | 44.6% |
| 1981 | 35.7% | 1997 | 41.4% | 2013 | 44.7% |
| 1982 | 36.7% | 1998 | 39.8% | 2014 | 45.9% |
| 1983 | 34.9% | 1999 | 46.1% | 2015 | 42.9% |
| 1984 | 36% | 2000 | 45.7% | 2016 | 58.5% |
| 1985 | 34.5% | 2001 | 46.7% | 2017 | 45.1% |
| 1986 | 34.6% | 2002 | 42.8% | 2018 | 44.4% |
| 1987 | 34.7% | 2003 | 45.1% | 2019 | 41.6% |
| 1988 | 38.3% | 2004 | 46.6% | 2020 | 41.6% |
| 1989 | 37.5% | 2005 | 49.2% | 2021 | 40.7% |
| 1990 | 38.3% | 2006 | 50.8% | 2022 | 42.3% |
| 1991 | 41% | 2007 | 49.8% | 2023 | 42.9% |
| 1992 | 41.5% | 2008 | 50.8% | 2024 | 43.4% |
| 1993 | 39.5% | 2009 | 44.8% | 2025 | 42.2% |
| 1994 | 39.1% | 2010 | 41.7% | 2026 | 43.1% |
| 1995 | 40.2% | 2011 | 43.6% | | |
表を表示
| 1980 | 58.2億 | 1996 | 2,100億 | 2012 | 8,340億 |
| 1981 | 93.9億 | 1997 | 2,268億 | 2013 | 8,873億 |
| 1982 | 152億 | 1998 | 2,437億 | 2014 | 9,683億 |
| 1983 | 249億 | 1999 | 3,040億 | 2015 | 1兆 |
| 1984 | 339億 | 2000 | 3,287億 | 2016 | 1.49兆 |
| 1985 | 444億 | 2001 | 3,786億 | 2017 | 1.21兆 |
| 1986 | 587億 | 2002 | 3,693億 | 2018 | 1.28兆 |
| 1987 | 770億 | 2003 | 3,998億 | 2019 | 1.27兆 |
| 1988 | 1,046億 | 2004 | 4,564億 | 2020 | 1.24兆 |
| 1989 | 1,259億 | 2005 | 5,313億 | 2021 | 1.36兆 |
| 1990 | 1,498億 | 2006 | 6,295億 | 2022 | 1.67兆 |
| 1991 | 1,733億 | 2007 | 7,001億 | 2023 | 1.87兆 |
| 1992 | 1,755億 | 2008 | 8,157億 | 2024 | 1.99兆 |
| 1993 | 1,718億 | 2009 | 7,326億 | 2025 | 2.09兆 |
| 1994 | 1,809億 | 2010 | 7,094億 | 2026 | 2.31兆 |
| 1995 | 1,917億 | 2011 | 7,779億 | | |
表を表示
| 1980 | 33.1% | 1996 | 42.5% | 2012 | 47.2% |
| 1981 | 34.4% | 1997 | 41.4% | 2013 | 45.6% |
| 1982 | 35% | 1998 | 40.3% | 2014 | 45.3% |
| 1983 | 36.8% | 1999 | 44.8% | 2015 | 43% |
| 1984 | 33.8% | 2000 | 44.3% | 2016 | 45.8% |
| 1985 | 36% | 2001 | 47% | 2017 | 43.8% |
| 1986 | 38.4% | 2002 | 45% | 2018 | 43.4% |
| 1987 | 35.5% | 2003 | 47.3% | 2019 | 43% |
| 1988 | 40.2% | 2004 | 46.2% | 2020 | 50.4% |
| 1989 | 41.7% | 2005 | 44.2% | 2021 | 48.7% |
| 1990 | 41.4% | 2006 | 44.3% | 2022 | 46.2% |
| 1991 | 41.6% | 2007 | 44.2% | 2023 | 45.2% |
| 1992 | 43.3% | 2008 | 62.8% | 2024 | 47.1% |
| 1993 | 43.7% | 2009 | 53.4% | 2025 | 45% |
| 1994 | 43.6% | 2010 | 48.2% | 2026 | 44.2% |
| 1995 | 43% | 2011 | 50% | | |
表を表示
| 1980 | 56億 | 1996 | 2,174億 | 2012 | 8,825億 |
| 1981 | 90.5億 | 1997 | 2,265億 | 2013 | 9,047億 |
| 1982 | 145億 | 1998 | 2,471億 | 2014 | 9,558億 |
| 1983 | 263億 | 1999 | 2,954億 | 2015 | 1.01兆 |
| 1984 | 318億 | 2000 | 3,184億 | 2016 | 1.17兆 |
| 1985 | 463億 | 2001 | 3,808億 | 2017 | 1.17兆 |
| 1986 | 652億 | 2002 | 3,884億 | 2018 | 1.25兆 |
| 1987 | 786億 | 2003 | 4,198億 | 2019 | 1.32兆 |
| 1988 | 1,097億 | 2004 | 4,531億 | 2020 | 1.5兆 |
| 1989 | 1,399億 | 2005 | 4,777億 | 2021 | 1.62兆 |
| 1990 | 1,617億 | 2006 | 5,498億 | 2022 | 1.82兆 |
| 1991 | 1,760億 | 2007 | 6,218億 | 2023 | 1.98兆 |
| 1992 | 1,831億 | 2008 | 1.01兆 | 2024 | 2.16兆 |
| 1993 | 1,902億 | 2009 | 8,715億 | 2025 | 2.23兆 |
| 1994 | 2,015億 | 2010 | 8,210億 | 2026 | 2.38兆 |
| 1995 | 2,049億 | 2011 | 8,926億 | | |