데이터 표
| 1992 | 3,627만 | 2004 | 7.27억 | 2016 | 8.36억 |
| 1993 | 5.78억 | 2005 | 7.85억 | 2017 | 9.11억 |
| 1994 | 14.7억 | 2006 | 8.26억 | 2018 | 9.51억 |
| 1995 | 19.5억 | 2007 | 9.54억 | 2019 | 9.86억 |
| 1996 | 18.1억 | 2008 | 12.4억 | 2020 | 9.81억 |
| 1997 | 16.8억 | 2009 | 11억 | 2021 | 13.6억 |
| 1998 | 13.4억 | 2010 | 9.82억 | 2022 | 12.8억 |
| 1999 | 10.4억 | 2011 | 10.9억 | 2023 | 14.1억 |
| 2000 | 6.68억 | 2012 | 9.53억 | 2024 | 17.3억 |
| 2001 | 6.24억 | 2013 | 9.62억 | 2025 | 21억 |
| 2002 | 7.21억 | 2014 | 10.8억 | | |
| 2003 | 7.12억 | 2015 | 8.92억 | | |
데이터 표
| 1992 | 7.6% | 2004 | 1.7% | 2016 | 1.6% |
| 1993 | 10.7% | 2005 | 1.7% | 2017 | 1.6% |
| 1994 | 11.1% | 2006 | 1.7% | 2018 | 1.5% |
| 1995 | 9.1% | 2007 | 1.6% | 2019 | 1.6% |
| 1996 | 8.1% | 2008 | 1.8% | 2020 | 1.7% |
| 1997 | 7.5% | 2009 | 1.8% | 2021 | 2% |
| 1998 | 5.5% | 2010 | 1.7% | 2022 | 1.8% |
| 1999 | 4.4% | 2011 | 1.7% | 2023 | 1.6% |
| 2000 | 3% | 2012 | 1.7% | 2024 | 1.9% |
| 2001 | 2.7% | 2013 | 1.6% | 2025 | 2% |
| 2002 | 2.7% | 2014 | 1.8% | | |
| 2003 | 2% | 2015 | 1.7% | | |