데이터 표
| 1990 | 94.1% | 2003 | 113% | 2016 | 83.1% |
| 1991 | 94.6% | 2004 | 107.7% | 2017 | 88.2% |
| 1992 | 90.8% | 2005 | 82.8% | 2018 | 84.3% |
| 1993 | 85.3% | 2006 | 79.1% | 2019 | 81.6% |
| 1994 | 84.5% | 2007 | 68.7% | 2020 | 100.5% |
| 1995 | 92.1% | 2008 | 66.8% | 2021 | 93% |
| 1996 | 85.5% | 2009 | 89.2% | 2022 | 82.4% |
| 1997 | 80.6% | 2010 | 79.4% | 2023 | 74.5% |
| 1998 | 94.6% | 2011 | 81.1% | 2024 | 71.8% |
| 1999 | 95.9% | 2012 | 76.9% | 2025 | 69.7% |
| 2000 | 96.4% | 2013 | 85.4% | 2026 | 66.5% |
| 2001 | 107.6% | 2014 | 91.9% | | |
| 2002 | 114.5% | 2015 | 92.1% | | |
데이터 표
| 1990 | 12.2억 | 2003 | 28.9억 | 2016 | 33.4억 |
| 1991 | 12.9억 | 2004 | 29.8억 | 2017 | 36.5억 |
| 1992 | 12.9억 | 2005 | 25.6억 | 2018 | 37.8억 |
| 1993 | 13억 | 2006 | 27.9억 | 2019 | 38억 |
| 1994 | 14.3억 | 2007 | 27.6억 | 2020 | 38.3억 |
| 1995 | 15.3억 | 2008 | 28.1억 | 2021 | 40.2억 |
| 1996 | 15.7억 | 2009 | 33.4억 | 2022 | 41.3억 |
| 1997 | 16억 | 2010 | 27.8억 | 2023 | 41.3억 |
| 1998 | 20.2억 | 2011 | 28.2억 | 2024 | 41.9억 |
| 1999 | 21.6억 | 2012 | 28.4억 | 2025 | 42.8억 |
| 2000 | 23.5억 | 2013 | 30.6억 | 2026 | 42.8억 |
| 2001 | 25.5억 | 2014 | 34.2억 | | |
| 2002 | 27.8억 | 2015 | 35.8억 | | |