表を表示
| 1988 | 44.5% | 2001 | 51.1% | 2014 | 50.5% |
| 1989 | 43.5% | 2002 | 50.2% | 2015 | 50.7% |
| 1990 | 44.2% | 2003 | 49.9% | 2016 | 49.2% |
| 1991 | 44.9% | 2004 | 49.4% | 2017 | 49% |
| 1992 | 47.1% | 2005 | 49.1% | 2018 | 49.4% |
| 1993 | 49.7% | 2006 | 48.3% | 2019 | 49.6% |
| 1994 | 49.3% | 2007 | 48.2% | 2020 | 49.1% |
| 1995 | 50% | 2008 | 48.8% | 2021 | 50.3% |
| 1996 | 51.6% | 2009 | 49.2% | 2022 | 49.6% |
| 1997 | 50.2% | 2010 | 48.9% | 2023 | 49.6% |
| 1998 | 51.7% | 2011 | 48.9% | 2024 | 50.5% |
| 1999 | 47.9% | 2012 | 49.6% | 2025 | 50.7% |
| 2000 | 48.9% | 2013 | 50.4% | 2026 | 51% |
表を表示
| 1988 | 529億 | 2001 | 1,121億 | 2014 | 1,666億 |
| 1989 | 554億 | 2002 | 1,130億 | 2015 | 1,736億 |
| 1990 | 605億 | 2003 | 1,151億 | 2016 | 1,749億 |
| 1991 | 658億 | 2004 | 1,188億 | 2017 | 1,801億 |
| 1992 | 730億 | 2005 | 1,239億 | 2018 | 1,893億 |
| 1993 | 796億 | 2006 | 1,285億 | 2019 | 1,963億 |
| 1994 | 828億 | 2007 | 1,359億 | 2020 | 1,868億 |
| 1995 | 877億 | 2008 | 1,425億 | 2021 | 2,045億 |
| 1996 | 936億 | 2009 | 1,409億 | 2022 | 2,227億 |
| 1997 | 942億 | 2010 | 1,438億 | 2023 | 2,371億 |
| 1998 | 1,009億 | 2011 | 1,506億 | 2024 | 2,496億 |
| 1999 | 972億 | 2012 | 1,570億 | 2025 | 2,602億 |
| 2000 | 1,038億 | 2013 | 1,620億 | 2026 | 2,697億 |
表を表示
| 1988 | 47.8% | 2001 | 51.8% | 2014 | 52.4% |
| 1989 | 46.5% | 2002 | 51.6% | 2015 | 51.2% |
| 1990 | 46.8% | 2003 | 51.8% | 2016 | 50.6% |
| 1991 | 47.9% | 2004 | 54.3% | 2017 | 49.8% |
| 1992 | 49.3% | 2005 | 51.7% | 2018 | 49.2% |
| 1993 | 54.3% | 2006 | 50.9% | 2019 | 49.1% |
| 1994 | 54.3% | 2007 | 49.7% | 2020 | 57.3% |
| 1995 | 56.1% | 2008 | 50.4% | 2021 | 56% |
| 1996 | 55.9% | 2009 | 54.6% | 2022 | 53% |
| 1997 | 52.5% | 2010 | 53.4% | 2023 | 52.2% |
| 1998 | 54.4% | 2011 | 51.3% | 2024 | 55.2% |
| 1999 | 50.5% | 2012 | 51.8% | 2025 | 55.2% |
| 2000 | 50.9% | 2013 | 52.4% | 2026 | 55.2% |
表を表示
| 1988 | 569億 | 2001 | 1,137億 | 2014 | 1,730億 |
| 1989 | 592億 | 2002 | 1,162億 | 2015 | 1,752億 |
| 1990 | 640億 | 2003 | 1,193億 | 2016 | 1,801億 |
| 1991 | 702億 | 2004 | 1,307億 | 2017 | 1,830億 |
| 1992 | 763億 | 2005 | 1,304億 | 2018 | 1,885億 |
| 1993 | 869億 | 2006 | 1,354億 | 2019 | 1,942億 |
| 1994 | 913億 | 2007 | 1,403億 | 2020 | 2,180億 |
| 1995 | 986億 | 2008 | 1,471億 | 2021 | 2,276億 |
| 1996 | 1,015億 | 2009 | 1,563億 | 2022 | 2,380億 |
| 1997 | 987億 | 2010 | 1,569億 | 2023 | 2,495億 |
| 1998 | 1,061億 | 2011 | 1,582億 | 2024 | 2,727億 |
| 1999 | 1,025億 | 2012 | 1,638億 | 2025 | 2,834億 |
| 2000 | 1,082億 | 2013 | 1,684億 | 2026 | 2,918億 |