데이터 표
| 1997 | 12.5% | 2007 | 16.6% | 2017 | 14.1% |
| 1998 | 12.3% | 2008 | 15.1% | 2018 | 14.3% |
| 1999 | 12.6% | 2009 | 13.3% | 2019 | 14.4% |
| 2000 | 13.2% | 2010 | 13.1% | 2020 | 14.2% |
| 2001 | 14.2% | 2011 | 12.9% | 2021 | 15.5% |
| 2002 | 14.2% | 2012 | 13.6% | 2022 | 15.3% |
| 2003 | 13% | 2013 | 14.1% | 2023 | 15.8% |
| 2004 | 13.7% | 2014 | 14.3% | 2024 | 16.4% |
| 2005 | 14.8% | 2015 | 16.7% | 2025 | 15.8% |
| 2006 | 15.3% | 2016 | 13.9% | 2026 | 15.9% |
데이터 표
| 1997 | 351억 | 2007 | 2,421억 | 2017 | 5,315억 |
| 1998 | 392억 | 2008 | 2,501억 | 2018 | 6,011억 |
| 1999 | 442억 | 2009 | 2,300억 | 2019 | 6,568억 |
| 2000 | 521억 | 2010 | 2,594억 | 2020 | 6,323억 |
| 2001 | 605억 | 2011 | 2,852억 | 2021 | 8,412억 |
| 2002 | 678억 | 2012 | 3,229억 | 2022 | 9,557억 |
| 2003 | 816억 | 2013 | 3,687억 | 2023 | 1.07조 |
| 2004 | 1,285억 | 2014 | 4,168억 | 2024 | 1.21조 |
| 2005 | 1,602억 | 2015 | 5,337억 | 2025 | 1.24조 |
| 2006 | 1,925억 | 2016 | 4,837억 | 2026 | 1.37조 |
데이터 표
| 1997 | 13.2% | 2007 | 16.3% | 2017 | 17.3% |
| 1998 | 12.6% | 2008 | 18.5% | 2018 | 16.5% |
| 1999 | 13.4% | 2009 | 16.2% | 2019 | 17.8% |
| 2000 | 14.1% | 2010 | 16.1% | 2020 | 22.2% |
| 2001 | 14.9% | 2011 | 16% | 2021 | 18.4% |
| 2002 | 16.5% | 2012 | 19.8% | 2022 | 18.5% |
| 2003 | 17.2% | 2013 | 18.5% | 2023 | 19.1% |
| 2004 | 17.3% | 2014 | 17% | 2024 | 19.5% |
| 2005 | 15.5% | 2015 | 16.7% | 2025 | 19.3% |
| 2006 | 17% | 2016 | 17% | 2026 | 19.4% |
데이터 표
| 1997 | 369억 | 2007 | 2,380억 | 2017 | 6,489억 |
| 1998 | 401억 | 2008 | 3,071억 | 2018 | 6,926억 |
| 1999 | 470억 | 2009 | 2,803억 | 2019 | 8,149억 |
| 2000 | 554억 | 2010 | 3,183억 | 2020 | 9,846억 |
| 2001 | 636억 | 2011 | 3,529억 | 2021 | 9,997억 |
| 2002 | 787억 | 2012 | 4,721억 | 2022 | 1.16조 |
| 2003 | 1,083억 | 2013 | 4,841억 | 2023 | 1.29조 |
| 2004 | 1,622억 | 2014 | 4,974억 | 2024 | 1.44조 |
| 2005 | 1,679억 | 2015 | 5,347억 | 2025 | 1.53조 |
| 2006 | 2,138억 | 2016 | 5,919억 | 2026 | 1.67조 |