데이터 표
| 1996 | 30.2% | 2007 | 25.3% | 2018 | 21.3% |
| 1997 | 31.6% | 2008 | 22.7% | 2019 | 21.2% |
| 1998 | 37.2% | 2009 | 23.1% | 2020 | 25.5% |
| 1999 | 34.7% | 2010 | 23.5% | 2021 | 26.4% |
| 2000 | 34.1% | 2011 | 23.7% | 2022 | 25.3% |
| 2001 | 33.6% | 2012 | 25% | 2023 | 26.3% |
| 2002 | 37.8% | 2013 | 24.6% | 2024 | 26.1% |
| 2003 | 39.6% | 2014 | 24% | 2025 | 26.5% |
| 2004 | 38.1% | 2015 | 23.4% | 2026 | 27.1% |
| 2005 | 31.3% | 2016 | 22% | | |
| 2006 | 26.6% | 2017 | 22.9% | | |
데이터 표
| 1996 | 2.77조 | 2007 | 10.3조 | 2018 | 28.32조 |
| 1997 | 3.2조 | 2008 | 11.33조 | 2019 | 31.04조 |
| 1998 | 4.36조 | 2009 | 12.26조 | 2020 | 35.95조 |
| 1999 | 4.65조 | 2010 | 13.52조 | 2021 | 39.12조 |
| 2000 | 4.96조 | 2011 | 15.48조 | 2022 | 41.09조 |
| 2001 | 5.45조 | 2012 | 17.87조 | 2023 | 45.73조 |
| 2002 | 6.67조 | 2013 | 19.46조 | 2024 | 49.34조 |
| 2003 | 7.99조 | 2014 | 21.51조 | 2025 | 53.5조 |
| 2004 | 9.15조 | 2015 | 22.88조 | 2026 | 58.22조 |
| 2005 | 9.16조 | 2016 | 23.66조 | | |
| 2006 | 9.16조 | 2017 | 26.92조 | | |