表を表示
| 1994 | 35.3% | 2005 | 21.5% | 2016 | 23.9% |
| 1995 | 33.4% | 2006 | 24.1% | 2017 | 25.3% |
| 1996 | 27.7% | 2007 | 26.2% | 2018 | 25.2% |
| 1997 | 24.6% | 2008 | 26.2% | 2019 | 25.9% |
| 1998 | 26.7% | 2009 | 25.3% | 2020 | 25.2% |
| 1999 | 24.1% | 2010 | 26.1% | 2021 | 23.3% |
| 2000 | 21.2% | 2011 | 23.4% | 2022 | 22.3% |
| 2001 | 19.1% | 2012 | 22.2% | 2023 | 25.4% |
| 2002 | 22.4% | 2013 | 22.4% | 2024 | 25% |
| 2003 | 19.8% | 2014 | 20.8% | 2025 | 28.1% |
| 2004 | 23.3% | 2015 | 24.5% | 2026 | 26.6% |
表を表示
| 1994 | 130億 | 2005 | 266億 | 2016 | 441億 |
| 1995 | 146億 | 2006 | 307億 | 2017 | 495億 |
| 1996 | 140億 | 2007 | 348億 | 2018 | 519億 |
| 1997 | 140億 | 2008 | 387億 | 2019 | 574億 |
| 1998 | 170億 | 2009 | 375億 | 2020 | 446億 |
| 1999 | 171億 | 2010 | 397億 | 2021 | 445億 |
| 2000 | 171億 | 2011 | 379億 | 2022 | 527億 |
| 2001 | 187億 | 2012 | 367億 | 2023 | 648億 |
| 2002 | 228億 | 2013 | 377億 | 2024 | 695億 |
| 2003 | 214億 | 2014 | 353億 | 2025 | 845億 |
| 2004 | 261億 | 2015 | 427億 | 2026 | 857億 |
表を表示
| 1994 | 48.1% | 2005 | 26.2% | 2016 | 26.6% |
| 1995 | 44.5% | 2006 | 28.4% | 2017 | 28% |
| 1996 | 38.9% | 2007 | 27.1% | 2018 | 27.5% |
| 1997 | 34.8% | 2008 | 27.6% | 2019 | 27.5% |
| 1998 | 29.8% | 2009 | 30.6% | 2020 | 34.5% |
| 1999 | 35% | 2010 | 35.7% | 2021 | 30.8% |
| 2000 | 36.7% | 2011 | 30.3% | 2022 | 26.6% |
| 2001 | 24.2% | 2012 | 31.6% | 2023 | 25.7% |
| 2002 | 28.5% | 2013 | 30.9% | 2024 | 26.1% |
| 2003 | 23.4% | 2014 | 27.8% | 2025 | 27% |
| 2004 | 26.3% | 2015 | 28.7% | 2026 | 27.5% |
表を表示
| 1994 | 177億 | 2005 | 324億 | 2016 | 491億 |
| 1995 | 195億 | 2006 | 363億 | 2017 | 546億 |
| 1996 | 196億 | 2007 | 360億 | 2018 | 567億 |
| 1997 | 197億 | 2008 | 407億 | 2019 | 610億 |
| 1998 | 190億 | 2009 | 454億 | 2020 | 611億 |
| 1999 | 249億 | 2010 | 543億 | 2021 | 589億 |
| 2000 | 297億 | 2011 | 492億 | 2022 | 627億 |
| 2001 | 236億 | 2012 | 522億 | 2023 | 655億 |
| 2002 | 290億 | 2013 | 520億 | 2024 | 725億 |
| 2003 | 253億 | 2014 | 471億 | 2025 | 814億 |
| 2004 | 294億 | 2015 | 499億 | 2026 | 885億 |