데이터 표
| 1999 | 44.7% | 2009 | 23.9% | 2019 | 38.4% |
| 2000 | 52.4% | 2010 | 22.9% | 2020 | 41.6% |
| 2001 | 43.5% | 2011 | 22.3% | 2021 | 41.7% |
| 2002 | 42% | 2012 | 20% | 2022 | 32.1% |
| 2003 | 34.4% | 2013 | 22.3% | 2023 | 32.2% |
| 2004 | 25.2% | 2014 | 29.4% | 2024 | 31.4% |
| 2005 | 22% | 2015 | 31.3% | 2025 | 30.4% |
| 2006 | 20.1% | 2016 | 40.2% | 2026 | 29.9% |
| 2007 | 17.6% | 2017 | 39.1% | | |
| 2008 | 15.7% | 2018 | 33.8% | | |
데이터 표
| 1999 | 6,198억 | 2009 | 1.38조 | 2019 | 3.34조 |
| 2000 | 7,587억 | 2010 | 1.59조 | 2020 | 3.54조 |
| 2001 | 8,004억 | 2011 | 1.76조 | 2021 | 3.92조 |
| 2002 | 8,534억 | 2012 | 1.82조 | 2022 | 3.6조 |
| 2003 | 8,036억 | 2013 | 1.97조 | 2023 | 3.64조 |
| 2004 | 8,613억 | 2014 | 2.64조 | 2024 | 3.94조 |
| 2005 | 1조 | 2015 | 2.7조 | 2025 | 3.9조 |
| 2006 | 1.02조 | 2016 | 3.11조 | 2026 | 4.27조 |
| 2007 | 9,175억 | 2017 | 3.01조 | | |
| 2008 | 9,351억 | 2018 | 2.85조 | | |