데이터 표
| 1990 | 20.6% | 2003 | 22.9% | 2016 | 27.4% |
| 1991 | 27.5% | 2004 | 21.8% | 2017 | 27.3% |
| 1992 | 23.5% | 2005 | 31% | 2018 | 26.7% |
| 1993 | 20.8% | 2006 | 30.5% | 2019 | 26.4% |
| 1994 | 25.8% | 2007 | 31.7% | 2020 | 26.7% |
| 1995 | 25.7% | 2008 | 25.6% | 2021 | 26.4% |
| 1996 | 25.3% | 2009 | 19.1% | 2022 | 30.8% |
| 1997 | 23.8% | 2010 | 19.6% | 2023 | 33.5% |
| 1998 | 23.7% | 2011 | 23.1% | 2024 | 32.3% |
| 1999 | 25% | 2012 | 22.9% | 2025 | 33.6% |
| 2000 | 25.2% | 2013 | 23.5% | 2026 | 30.9% |
| 2001 | 25.7% | 2014 | 26.7% | | |
| 2002 | 25.6% | 2015 | 27.3% | | |
데이터 표
| 1990 | 4.54억 | 2003 | 30.9억 | 2016 | 186억 |
| 1991 | 7.39억 | 2004 | 34.3억 | 2017 | 203억 |
| 1992 | 7.59억 | 2005 | 46.1억 | 2018 | 222억 |
| 1993 | 7.91억 | 2006 | 61.5억 | 2019 | 232억 |
| 1994 | 11.4억 | 2007 | 75.7억 | 2020 | 152억 |
| 1995 | 14.1억 | 2008 | 74.6억 | 2021 | 214억 |
| 1996 | 15.7억 | 2009 | 57.2억 | 2022 | 293억 |
| 1997 | 18.3억 | 2010 | 65억 | 2023 | 341억 |
| 1998 | 19.3억 | 2011 | 93.7억 | 2024 | 351억 |
| 1999 | 22.3억 | 2012 | 101억 | 2025 | 396억 |
| 2000 | 23.7억 | 2013 | 119억 | 2026 | 387억 |
| 2001 | 25.2억 | 2014 | 152억 | | |
| 2002 | 27.2억 | 2015 | 173억 | | |
데이터 표
| 1990 | 33.3% | 2003 | 26.4% | 2016 | 37.3% |
| 1991 | 37.7% | 2004 | 24.1% | 2017 | 30.4% |
| 1992 | 36.1% | 2005 | 38.8% | 2018 | 31.9% |
| 1993 | 34.7% | 2006 | 35% | 2019 | 32.9% |
| 1994 | 30.7% | 2007 | 34.8% | 2020 | 50.4% |
| 1995 | 31.3% | 2008 | 35.6% | 2021 | 40.6% |
| 1996 | 27.3% | 2009 | 37% | 2022 | 42% |
| 1997 | 25.2% | 2010 | 33.2% | 2023 | 46.7% |
| 1998 | 25.9% | 2011 | 31.3% | 2024 | 43.9% |
| 1999 | 28% | 2012 | 29.8% | 2025 | 36.5% |
| 2000 | 29% | 2013 | 27% | 2026 | 42.1% |
| 2001 | 29.6% | 2014 | 29.1% | | |
| 2002 | 29.6% | 2015 | 33.8% | | |
데이터 표
| 1990 | 7.35억 | 2003 | 35.5억 | 2016 | 253억 |
| 1991 | 10.1억 | 2004 | 37.8억 | 2017 | 225억 |
| 1992 | 11.7억 | 2005 | 57.8억 | 2018 | 265억 |
| 1993 | 13.2억 | 2006 | 70.7억 | 2019 | 290억 |
| 1994 | 13.6억 | 2007 | 83.2억 | 2020 | 288억 |
| 1995 | 17.2억 | 2008 | 103억 | 2021 | 328억 |
| 1996 | 16.9억 | 2009 | 111억 | 2022 | 399억 |
| 1997 | 19.4억 | 2010 | 110억 | 2023 | 475억 |
| 1998 | 21.1억 | 2011 | 127억 | 2024 | 477억 |
| 1999 | 25억 | 2012 | 132억 | 2025 | 431억 |
| 2000 | 27.4억 | 2013 | 137억 | 2026 | 528억 |
| 2001 | 29.1억 | 2014 | 165억 | | |
| 2002 | 31.4억 | 2015 | 214억 | | |