데이터 표
| 1990 | 27.5% | 2003 | 20.8% | 2016 | 21.3% |
| 1991 | 22.4% | 2004 | 20.9% | 2017 | 23.1% |
| 1992 | 22.3% | 2005 | 20.5% | 2018 | 24.4% |
| 1993 | 23.4% | 2006 | 20.5% | 2019 | 25.9% |
| 1994 | 23.1% | 2007 | 20.9% | 2020 | 25.5% |
| 1995 | 22.1% | 2008 | 23.1% | 2021 | 25.6% |
| 1996 | 21.5% | 2009 | 22.1% | 2022 | 29.6% |
| 1997 | 20.8% | 2010 | 23.5% | 2023 | 28.7% |
| 1998 | 21.3% | 2011 | 24.7% | 2024 | 29.4% |
| 1999 | 21% | 2012 | 23.5% | 2025 | 28.8% |
| 2000 | 20.8% | 2013 | 23.8% | 2026 | 28.7% |
| 2001 | 21.1% | 2014 | 24.6% | | |
| 2002 | 21.6% | 2015 | 22.5% | | |
데이터 표
| 1990 | 34.1억 | 2003 | 77.3억 | 2016 | 203억 |
| 1991 | 30.8억 | 2004 | 85.2억 | 2017 | 236억 |
| 1992 | 35.1억 | 2005 | 89.8억 | 2018 | 276억 |
| 1993 | 39.4억 | 2006 | 98.5억 | 2019 | 319억 |
| 1994 | 41.7억 | 2007 | 109억 | 2020 | 304억 |
| 1995 | 43억 | 2008 | 134억 | 2021 | 335억 |
| 1996 | 46.7억 | 2009 | 136억 | 2022 | 409억 |
| 1997 | 50.1억 | 2010 | 156억 | 2023 | 432억 |
| 1998 | 55.6억 | 2011 | 167억 | 2024 | 470억 |
| 1999 | 59.8억 | 2012 | 173억 | 2025 | 497억 |
| 2000 | 64.3억 | 2013 | 188억 | 2026 | 533억 |
| 2001 | 70.3억 | 2014 | 210억 | | |
| 2002 | 74.5억 | 2015 | 202억 | | |
데이터 표
| 1991 | 27.6% | 2003 | 23.5% | 2015 | 27.4% |
| 1992 | 25.7% | 2004 | 23% | 2016 | 27.2% |
| 1993 | 26.7% | 2005 | 23% | 2017 | 28.7% |
| 1994 | 25.9% | 2006 | 22.9% | 2018 | 28.7% |
| 1995 | 26.6% | 2007 | 23.3% | 2019 | 29.5% |
| 1996 | 26.7% | 2008 | 23.7% | 2020 | 34.5% |
| 1997 | 24.5% | 2009 | 24.6% | 2021 | 33.4% |
| 1998 | 24.2% | 2010 | 24% | 2022 | 36.6% |
| 1999 | 24% | 2011 | 27.9% | 2023 | 35.9% |
| 2000 | 24% | 2012 | 28.3% | 2024 | 35.8% |
| 2001 | 24% | 2013 | 30.8% | 2025 | 34% |
| 2002 | 24.1% | 2014 | 27.7% | 2026 | 36.1% |
데이터 표
| 1991 | 38.1억 | 2003 | 87.1억 | 2015 | 246억 |
| 1992 | 40.5억 | 2004 | 93.8억 | 2016 | 259억 |
| 1993 | 44.8억 | 2005 | 101억 | 2017 | 293억 |
| 1994 | 46.9억 | 2006 | 110억 | 2018 | 324억 |
| 1995 | 51.8억 | 2007 | 122억 | 2019 | 363억 |
| 1996 | 58억 | 2008 | 137억 | 2020 | 413억 |
| 1997 | 59억 | 2009 | 152억 | 2021 | 437억 |
| 1998 | 63억 | 2010 | 159억 | 2022 | 506억 |
| 1999 | 68.5억 | 2011 | 189억 | 2023 | 542억 |
| 2000 | 74.2억 | 2012 | 209억 | 2024 | 572억 |
| 2001 | 79.9억 | 2013 | 244억 | 2025 | 587억 |
| 2002 | 83.3억 | 2014 | 236억 | 2026 | 670억 |