데이터 표
| 1993 | 26.1% | 2005 | 17.9% | 2017 | 21.2% |
| 1994 | 26.2% | 2006 | 18.1% | 2018 | 22.3% |
| 1995 | 17.8% | 2007 | 20.1% | 2019 | 23.9% |
| 1996 | 15.4% | 2008 | 20.5% | 2020 | 25.2% |
| 1997 | 15.8% | 2009 | 20.9% | 2021 | 24.1% |
| 1998 | 17.1% | 2010 | 21.2% | 2022 | 24.3% |
| 1999 | 19.3% | 2011 | 22.1% | 2023 | 24.9% |
| 2000 | 16.5% | 2012 | 20.9% | 2024 | 25.3% |
| 2001 | 17% | 2013 | 22.2% | 2025 | 25.5% |
| 2002 | 16.7% | 2014 | 22% | 2026 | 25.8% |
| 2003 | 15.2% | 2015 | 21.5% | | |
| 2004 | 15.5% | 2016 | 21.4% | | |
데이터 표
| 1993 | 10.2억 | 2005 | 4,014억 | 2017 | 1.18조 |
| 1994 | 489억 | 2006 | 4,794억 | 2018 | 1.34조 |
| 1995 | 932억 | 2007 | 6,325억 | 2019 | 1.57조 |
| 1996 | 1,019억 | 2008 | 7,308억 | 2020 | 1.56조 |
| 1997 | 1,267억 | 2009 | 6,556억 | 2021 | 1.68조 |
| 1998 | 1,638억 | 2010 | 7,343억 | 2022 | 2.06조 |
| 1999 | 1,909억 | 2011 | 8,348억 | 2023 | 2.36조 |
| 2000 | 1,701억 | 2012 | 8,926억 | 2024 | 2.58조 |
| 2001 | 2,004억 | 2013 | 1.01조 | 2025 | 2.89조 |
| 2002 | 2,281억 | 2014 | 1.06조 | 2026 | 3.17조 |
| 2003 | 2,472억 | 2015 | 1.08조 | | |
| 2004 | 2,949억 | 2016 | 1.09조 | | |
데이터 표
| 2005 | 19.9% | 2013 | 23.8% | 2021 | 28.7% |
| 2006 | 20% | 2014 | 24% | 2022 | 26.4% |
| 2007 | 22.4% | 2015 | 26.3% | 2023 | 26.9% |
| 2008 | 22.2% | 2016 | 27% | 2024 | 29% |
| 2009 | 28.6% | 2017 | 25.9% | 2025 | 29.2% |
| 2010 | 26.2% | 2018 | 24.1% | 2026 | 30.3% |
| 2011 | 25% | 2019 | 24.9% | | |
| 2012 | 22.4% | 2020 | 30.7% | | |
데이터 표
| 2005 | 4,457억 | 2013 | 1.08조 | 2021 | 2.01조 |
| 2006 | 5,313억 | 2014 | 1.16조 | 2022 | 2.24조 |
| 2007 | 7,061억 | 2015 | 1.33조 | 2023 | 2.55조 |
| 2008 | 7,934억 | 2016 | 1.37조 | 2024 | 2.95조 |
| 2009 | 8,971억 | 2017 | 1.44조 | 2025 | 3.31조 |
| 2010 | 9,066억 | 2018 | 1.45조 | 2026 | 3.73조 |
| 2011 | 9,431억 | 2019 | 1.63조 | | |
| 2012 | 9,563억 | 2020 | 1.89조 | | |