데이터 표
| 1999 | 24.5% | 2009 | 25.8% | 2019 | 27.9% |
| 2000 | 23.8% | 2010 | 27% | 2020 | 28.2% |
| 2001 | 25% | 2011 | 26% | 2021 | 27.6% |
| 2002 | 24.4% | 2012 | 25.5% | 2022 | 27.2% |
| 2003 | 25.5% | 2013 | 27.1% | 2023 | 27% |
| 2004 | 25.7% | 2014 | 26.5% | 2024 | 27.5% |
| 2005 | 26% | 2015 | 26.5% | 2025 | 28.1% |
| 2006 | 26.2% | 2016 | 27% | 2026 | 28.1% |
| 2007 | 26.6% | 2017 | 27.2% | | |
| 2008 | 25% | 2018 | 28.5% | | |
데이터 표
| 1999 | 726억 | 2009 | 2,011억 | 2019 | 6,114억 |
| 2000 | 717억 | 2010 | 2,381억 | 2020 | 6,335억 |
| 2001 | 758억 | 2011 | 2,627억 | 2021 | 7,302억 |
| 2002 | 770억 | 2012 | 2,897억 | 2022 | 7,985억 |
| 2003 | 947억 | 2013 | 3,484억 | 2023 | 8,293억 |
| 2004 | 1,103억 | 2014 | 3,846억 | 2024 | 9,092억 |
| 2005 | 1,205억 | 2015 | 4,208억 | 2025 | 9,894억 |
| 2006 | 1,346억 | 2016 | 4,679억 | 2026 | 1.06조 |
| 2007 | 1,594억 | 2017 | 5,074억 | | |
| 2008 | 1,734억 | 2018 | 5,713억 | | |
데이터 표
| 1999 | 27.2% | 2009 | 27.2% | 2019 | 30.6% |
| 2000 | 26.6% | 2010 | 27.4% | 2020 | 32.8% |
| 2001 | 27.8% | 2011 | 26.3% | 2021 | 30.2% |
| 2002 | 27.6% | 2012 | 27.7% | 2022 | 29.7% |
| 2003 | 27.7% | 2013 | 28.8% | 2023 | 30.1% |
| 2004 | 26.6% | 2014 | 29.1% | 2024 | 30.6% |
| 2005 | 26.3% | 2015 | 28.4% | 2025 | 31.5% |
| 2006 | 26.8% | 2016 | 29.7% | 2026 | 31.8% |
| 2007 | 26.8% | 2017 | 29.7% | | |
| 2008 | 26.3% | 2018 | 30.3% | | |
데이터 표
| 1999 | 808억 | 2009 | 2,120억 | 2019 | 6,709억 |
| 2000 | 800억 | 2010 | 2,416억 | 2020 | 7,378억 |
| 2001 | 845억 | 2011 | 2,661억 | 2021 | 7,993억 |
| 2002 | 871억 | 2012 | 3,144억 | 2022 | 8,718억 |
| 2003 | 1,028억 | 2013 | 3,706억 | 2023 | 9,242억 |
| 2004 | 1,141억 | 2014 | 4,223억 | 2024 | 1.01조 |
| 2005 | 1,218억 | 2015 | 4,503억 | 2025 | 1.11조 |
| 2006 | 1,380억 | 2016 | 5,144억 | 2026 | 1.2조 |
| 2007 | 1,604억 | 2017 | 5,542억 | | |
| 2008 | 1,825억 | 2018 | 6,092억 | | |