데이터 표
| 1990 | 15.3% | 2003 | 18.4% | 2016 | 24.4% |
| 1991 | 16.2% | 2004 | 18.7% | 2017 | 25.6% |
| 1992 | 16.5% | 2005 | 19% | 2018 | 24.9% |
| 1993 | 17.1% | 2006 | 20% | 2019 | 24.7% |
| 1994 | 18% | 2007 | 20.5% | 2020 | 24.6% |
| 1995 | 18.4% | 2008 | 20.7% | 2021 | 25.6% |
| 1996 | 18.3% | 2009 | 19.3% | 2022 | 26% |
| 1997 | 16.7% | 2010 | 20.6% | 2023 | 25.8% |
| 1998 | 16.3% | 2011 | 20.8% | 2024 | 26.8% |
| 1999 | 16.6% | 2012 | 23.6% | 2025 | 27.4% |
| 2000 | 17.5% | 2013 | 24% | 2026 | 27.6% |
| 2001 | 16.7% | 2014 | 23.6% | | |
| 2002 | 17% | 2015 | 23.5% | | |
데이터 표
| 1990 | 7.35억 | 2003 | 24.4억 | 2016 | 58.9억 |
| 1991 | 8.52억 | 2004 | 25.7억 | 2017 | 63.9억 |
| 1992 | 9.57억 | 2005 | 27.9억 | 2018 | 64.8억 |
| 1993 | 11.4억 | 2006 | 32억 | 2019 | 66.4억 |
| 1994 | 13.8억 | 2007 | 34.9억 | 2020 | 61.2억 |
| 1995 | 16.4억 | 2008 | 37.3억 | 2021 | 74.2억 |
| 1996 | 17.6억 | 2009 | 34억 | 2022 | 82.8억 |
| 1997 | 17억 | 2010 | 38.1억 | 2023 | 87.5억 |
| 1998 | 17.9억 | 2011 | 42.2억 | 2024 | 94.8억 |
| 1999 | 18.7억 | 2012 | 50.4억 | 2025 | 102억 |
| 2000 | 20.6억 | 2013 | 52.9억 | 2026 | 110억 |
| 2001 | 20.6억 | 2014 | 53.3억 | | |
| 2002 | 21.5억 | 2015 | 55억 | | |
데이터 표
| 1990 | 15.9% | 2003 | 22.6% | 2016 | 27.5% |
| 1991 | 18.5% | 2004 | 21.5% | 2017 | 28.1% |
| 1992 | 20.8% | 2005 | 22.4% | 2018 | 27.6% |
| 1993 | 18.5% | 2006 | 23.4% | 2019 | 27.8% |
| 1994 | 18.9% | 2007 | 22.8% | 2020 | 32.7% |
| 1995 | 18.6% | 2008 | 24.5% | 2021 | 31.1% |
| 1996 | 21% | 2009 | 26% | 2022 | 28.7% |
| 1997 | 18.6% | 2010 | 25.6% | 2023 | 30.5% |
| 1998 | 19.3% | 2011 | 25.3% | 2024 | 31.4% |
| 1999 | 19.7% | 2012 | 27.4% | 2025 | 30.2% |
| 2000 | 21% | 2013 | 28.5% | 2026 | 29.6% |
| 2001 | 21.7% | 2014 | 27.6% | | |
| 2002 | 22.5% | 2015 | 27.1% | | |
데이터 표
| 1990 | 7.65억 | 2003 | 30억 | 2016 | 66.4억 |
| 1991 | 9.74억 | 2004 | 29.5억 | 2017 | 70.2억 |
| 1992 | 12.1억 | 2005 | 33억 | 2018 | 71.8억 |
| 1993 | 12.4억 | 2006 | 37.5억 | 2019 | 74.7억 |
| 1994 | 14.5억 | 2007 | 38.8억 | 2020 | 81.5억 |
| 1995 | 16.6억 | 2008 | 44.2억 | 2021 | 90.3억 |
| 1996 | 20.2억 | 2009 | 45.7억 | 2022 | 91.3억 |
| 1997 | 19억 | 2010 | 47.2억 | 2023 | 103억 |
| 1998 | 21.1억 | 2011 | 51.3억 | 2024 | 111억 |
| 1999 | 22.2억 | 2012 | 58.6억 | 2025 | 113억 |
| 2000 | 24.7억 | 2013 | 62.7억 | 2026 | 118억 |
| 2001 | 26.6억 | 2014 | 62.4억 | | |
| 2002 | 28.5억 | 2015 | 63.5억 | | |