데이터 표
| 2000 | 22.7% | 2009 | 21.8% | 2018 | 23.3% |
| 2001 | 19.6% | 2010 | 23.3% | 2019 | 26.5% |
| 2002 | 20.8% | 2011 | 24.1% | 2020 | 26.4% |
| 2003 | 22.2% | 2012 | 24.3% | 2021 | 28.7% |
| 2004 | 22.5% | 2013 | 23.9% | 2022 | 29.2% |
| 2005 | 23% | 2014 | 23.7% | 2023 | 28.3% |
| 2006 | 22.7% | 2015 | 23.8% | 2024 | 28.5% |
| 2007 | 23.4% | 2016 | 24.9% | 2025 | 28.2% |
| 2008 | 22.1% | 2017 | 25.6% | 2026 | 28.5% |
데이터 표
| 2000 | 147억 | 2009 | 369억 | 2018 | 959억 |
| 2001 | 140억 | 2010 | 435억 | 2019 | 1,116억 |
| 2002 | 155억 | 2011 | 529억 | 2020 | 1,152억 |
| 2003 | 178억 | 2012 | 603억 | 2021 | 1,437억 |
| 2004 | 208억 | 2013 | 649억 | 2022 | 1,639억 |
| 2005 | 243억 | 2014 | 731억 | 2023 | 1,837억 |
| 2006 | 270억 | 2015 | 828억 | 2024 | 2,053억 |
| 2007 | 320억 | 2016 | 947억 | 2025 | 2,297억 |
| 2008 | 365억 | 2017 | 1,059억 | 2026 | 2,525억 |
데이터 표
| 2000 | 20.6% | 2009 | 22.7% | 2018 | 27.7% |
| 2001 | 19.2% | 2010 | 22.6% | 2019 | 27.7% |
| 2002 | 18.7% | 2011 | 23.5% | 2020 | 28.9% |
| 2003 | 20.9% | 2012 | 24.1% | 2021 | 30% |
| 2004 | 20.8% | 2013 | 24.2% | 2022 | 28.6% |
| 2005 | 21.3% | 2014 | 24.6% | 2023 | 26% |
| 2006 | 21.4% | 2015 | 25.4% | 2024 | 26.2% |
| 2007 | 21.5% | 2016 | 26.8% | 2025 | 26.1% |
| 2008 | 21.9% | 2017 | 27.3% | 2026 | 27.1% |
데이터 표
| 2000 | 133억 | 2009 | 384억 | 2018 | 1,138억 |
| 2001 | 138억 | 2010 | 423억 | 2019 | 1,163억 |
| 2002 | 139억 | 2011 | 516억 | 2020 | 1,264억 |
| 2003 | 168억 | 2012 | 597억 | 2021 | 1,499억 |
| 2004 | 192억 | 2013 | 657억 | 2022 | 1,603억 |
| 2005 | 225억 | 2014 | 758억 | 2023 | 1,688억 |
| 2006 | 254억 | 2015 | 885억 | 2024 | 1,890억 |
| 2007 | 294억 | 2016 | 1,021억 | 2025 | 2,126억 |
| 2008 | 360억 | 2017 | 1,131억 | 2026 | 2,403억 |