表を表示
| 1984 | 17.6% | 1999 | 11% | 2014 | 14.2% |
| 1985 | 19.7% | 2000 | 8.6% | 2015 | 21.7% |
| 1986 | 20.7% | 2001 | 10.9% | 2016 | 13.4% |
| 1987 | 19.3% | 2002 | 12.1% | 2017 | 18.8% |
| 1988 | 17.5% | 2003 | 10.7% | 2018 | 17.8% |
| 1989 | 18.4% | 2004 | 10.7% | 2019 | 15.8% |
| 1990 | 19.2% | 2005 | 11.4% | 2020 | 18.3% |
| 1991 | 17.7% | 2006 | 10.9% | 2021 | 17.1% |
| 1992 | 18.4% | 2007 | 11.9% | 2022 | 14.5% |
| 1993 | 17.5% | 2008 | 13.7% | 2023 | 16.5% |
| 1994 | 18.1% | 2009 | 14% | 2024 | 16.5% |
| 1995 | 14.2% | 2010 | 17.5% | 2025 | 17.2% |
| 1996 | 12.1% | 2011 | 14.1% | 2026 | 17.6% |
| 1997 | 13.2% | 2012 | 16.8% | | |
| 1998 | 11.1% | 2013 | 25.3% | | |
表を表示
| 1984 | 145億 | 1999 | 189億 | 2014 | 604億 |
| 1985 | 170億 | 2000 | 156億 | 2015 | 928億 |
| 1986 | 185億 | 2001 | 222億 | 2016 | 603億 |
| 1987 | 182億 | 2002 | 269億 | 2017 | 880億 |
| 1988 | 175億 | 2003 | 255億 | 2018 | 875億 |
| 1989 | 192億 | 2004 | 264億 | 2019 | 827億 |
| 1990 | 210億 | 2005 | 295億 | 2020 | 958億 |
| 1991 | 200億 | 2006 | 295億 | 2021 | 907億 |
| 1992 | 212億 | 2007 | 339億 | 2022 | 828億 |
| 1993 | 213億 | 2008 | 419億 | 2023 | 998億 |
| 1994 | 237億 | 2009 | 448億 | 2024 | 1,079億 |
| 1995 | 210億 | 2010 | 589億 | 2025 | 1,206億 |
| 1996 | 182億 | 2011 | 509億 | 2026 | 1,335億 |
| 1997 | 210億 | 2012 | 654億 | | |
| 1998 | 178億 | 2013 | 1,047億 | | |
表を表示
| 1984 | 23.3% | 1999 | 11.5% | 2014 | 14.5% |
| 1985 | 24.8% | 2000 | 9.7% | 2015 | 19.1% |
| 1986 | 25.6% | 2001 | 13% | 2016 | 18.9% |
| 1987 | 22.4% | 2002 | 14.3% | 2017 | 18.8% |
| 1988 | 20.2% | 2003 | 12.8% | 2018 | 19.2% |
| 1989 | 19.7% | 2004 | 11.7% | 2019 | 20.1% |
| 1990 | 20.3% | 2005 | 12.8% | 2020 | 18.8% |
| 1991 | 19.9% | 2006 | 12.5% | 2021 | 20% |
| 1992 | 20.4% | 2007 | 13.1% | 2022 | 18.4% |
| 1993 | 16.3% | 2008 | 15.1% | 2023 | 17.9% |
| 1994 | 21.8% | 2009 | 13.7% | 2024 | 19.1% |
| 1995 | 18.4% | 2010 | 13.3% | 2025 | 19.5% |
| 1996 | 15.5% | 2011 | 13.2% | 2026 | 18.8% |
| 1997 | 14.5% | 2012 | 14.9% | | |
| 1998 | 13.1% | 2013 | 14.8% | | |
表を表示
| 1984 | 193億 | 1999 | 197億 | 2014 | 618億 |
| 1985 | 214億 | 2000 | 176億 | 2015 | 816億 |
| 1986 | 229億 | 2001 | 266億 | 2016 | 851億 |
| 1987 | 211億 | 2002 | 317億 | 2017 | 884億 |
| 1988 | 202億 | 2003 | 303億 | 2018 | 941億 |
| 1989 | 206億 | 2004 | 288億 | 2019 | 1,051億 |
| 1990 | 221億 | 2005 | 332億 | 2020 | 985億 |
| 1991 | 225億 | 2006 | 336億 | 2021 | 1,056億 |
| 1992 | 235億 | 2007 | 373億 | 2022 | 1,053億 |
| 1993 | 197億 | 2008 | 463億 | 2023 | 1,079億 |
| 1994 | 285億 | 2009 | 436億 | 2024 | 1,255億 |
| 1995 | 270億 | 2010 | 447億 | 2025 | 1,370億 |
| 1996 | 234億 | 2011 | 478億 | 2026 | 1,419億 |
| 1997 | 231億 | 2012 | 578億 | | |
| 1998 | 210億 | 2013 | 613億 | | |