데이터 표
| 1990 | 18.3% | 2003 | 16.9% | 2016 | 23.6% |
| 1991 | 16.9% | 2004 | 18% | 2017 | 19.8% |
| 1992 | 17.9% | 2005 | 17.2% | 2018 | 19.1% |
| 1993 | 17% | 2006 | 19.4% | 2019 | 18.5% |
| 1994 | 16.8% | 2007 | 18.8% | 2020 | 19.8% |
| 1995 | 17.1% | 2008 | 18.5% | 2021 | 18.9% |
| 1996 | 18% | 2009 | 16.3% | 2022 | 18% |
| 1997 | 16.8% | 2010 | 19.7% | 2023 | 16.7% |
| 1998 | 19% | 2011 | 18% | 2024 | 21.9% |
| 1999 | 17.2% | 2012 | 17.6% | 2025 | 22.4% |
| 2000 | 16.6% | 2013 | 16.9% | 2026 | 21.6% |
| 2001 | 15.6% | 2014 | 18.3% | | |
| 2002 | 17.5% | 2015 | 22.4% | | |
데이터 표
| 1990 | 2.36억 | 2003 | 4.33억 | 2016 | 9.51억 |
| 1991 | 2.29억 | 2004 | 5억 | 2017 | 8.22억 |
| 1992 | 2.53억 | 2005 | 5.33억 | 2018 | 8.57억 |
| 1993 | 2.59억 | 2006 | 6.83억 | 2019 | 8.61억 |
| 1994 | 2.84억 | 2007 | 7.57억 | 2020 | 7.53억 |
| 1995 | 2.84억 | 2008 | 7.78억 | 2021 | 8.16억 |
| 1996 | 3.29억 | 2009 | 6.09억 | 2022 | 9억 |
| 1997 | 3.32억 | 2010 | 6.91억 | 2023 | 9.26억 |
| 1998 | 4.06억 | 2011 | 6.25억 | 2024 | 12.8억 |
| 1999 | 3.89억 | 2012 | 6.47억 | 2025 | 13.8억 |
| 2000 | 4.04억 | 2013 | 6.04억 | 2026 | 13.9억 |
| 2001 | 3.7억 | 2014 | 6.8억 | | |
| 2002 | 4.24억 | 2015 | 8.7억 | | |
데이터 표
| 1990 | 18.1% | 2003 | 24.2% | 2016 | 23.8% |
| 1991 | 20.8% | 2004 | 21.9% | 2017 | 22.6% |
| 1992 | 18.7% | 2005 | 21.5% | 2018 | 21.5% |
| 1993 | 19.4% | 2006 | 26% | 2019 | 22.1% |
| 1994 | 21.2% | 2007 | 23.8% | 2020 | 26% |
| 1995 | 21% | 2008 | 23.2% | 2021 | 23.4% |
| 1996 | 19.6% | 2009 | 32.1% | 2022 | 20.8% |
| 1997 | 16.8% | 2010 | 20% | 2023 | 18.4% |
| 1998 | 20.7% | 2011 | 21.1% | 2024 | 20.2% |
| 1999 | 20.3% | 2012 | 18.5% | 2025 | 19.3% |
| 2000 | 21.1% | 2013 | 20.7% | 2026 | 22.3% |
| 2001 | 24.2% | 2014 | 20.9% | | |
| 2002 | 26.3% | 2015 | 24.8% | | |
데이터 표
| 1990 | 2.34억 | 2003 | 6.21억 | 2016 | 9.56억 |
| 1991 | 2.83억 | 2004 | 6.08억 | 2017 | 9.35억 |
| 1992 | 2.65억 | 2005 | 6.65억 | 2018 | 9.66억 |
| 1993 | 2.97억 | 2006 | 9.16억 | 2019 | 10.3억 |
| 1994 | 3.57억 | 2007 | 9.57억 | 2020 | 9.9억 |
| 1995 | 3.49억 | 2008 | 9.76억 | 2021 | 10.1억 |
| 1996 | 3.59억 | 2009 | 12억 | 2022 | 10.4억 |
| 1997 | 3.32억 | 2010 | 7억 | 2023 | 10.2억 |
| 1998 | 4.41억 | 2011 | 7.33억 | 2024 | 11.8억 |
| 1999 | 4.58억 | 2012 | 6.83억 | 2025 | 11.8억 |
| 2000 | 5.13억 | 2013 | 7.41억 | 2026 | 14.4억 |
| 2001 | 5.73억 | 2014 | 7.76억 | | |
| 2002 | 6.38억 | 2015 | 9.64억 | | |