데이터 표
| 1990 | 90% | 2003 | 70.2% | 2016 | 64.5% |
| 1991 | 89.3% | 2004 | 60.3% | 2017 | 62.9% |
| 1992 | 87.9% | 2005 | 41.7% | 2018 | 62.3% |
| 1993 | 90.1% | 2006 | 34.9% | 2019 | 59.8% |
| 1994 | 71.3% | 2007 | 39.2% | 2020 | 83% |
| 1995 | 73.4% | 2008 | 20.1% | 2021 | 72.9% |
| 1996 | 64.5% | 2009 | 26% | 2022 | 65.6% |
| 1997 | 57% | 2010 | 21.3% | 2023 | 70.6% |
| 1998 | 87.6% | 2011 | 21.4% | 2024 | 70.9% |
| 1999 | 73.1% | 2012 | 21.4% | 2025 | 78.9% |
| 2000 | 72.5% | 2013 | 31.1% | 2026 | 86.1% |
| 2001 | 81% | 2014 | 34.1% | | |
| 2002 | 81.1% | 2015 | 44.7% | | |
데이터 표
| 1990 | 1.55조 | 2003 | 2.65조 | 2016 | 5.36조 |
| 1991 | 1.45조 | 2004 | 2.47조 | 2017 | 5.46조 |
| 1992 | 1.39조 | 2005 | 2.08조 | 2018 | 5.83조 |
| 1993 | 1.47조 | 2006 | 1.85조 | 2019 | 5.91조 |
| 1994 | 1.77조 | 2007 | 2.34조 | 2020 | 7.33조 |
| 1995 | 1.93조 | 2008 | 1.39조 | 2021 | 7.87조 |
| 1996 | 2조 | 2009 | 1.49조 | 2022 | 8.36조 |
| 1997 | 1.89조 | 2010 | 1.51조 | 2023 | 8.59조 |
| 1998 | 2.47조 | 2011 | 1.84조 | 2024 | 8.98조 |
| 1999 | 2.23조 | 2012 | 1.88조 | 2025 | 9.91조 |
| 2000 | 2.79조 | 2013 | 2.7조 | 2026 | 11.19조 |
| 2001 | 2.98조 | 2014 | 3.06조 | | |
| 2002 | 3조 | 2015 | 3.8조 | | |