데이터 표
| 1997 | 370억 | 2007 | 3,532억 | 2017 | 1,887억 |
| 1998 | 315억 | 2008 | 4,206억 | 2018 | 241억 |
| 1999 | 211억 | 2009 | 2,433억 | 2019 | 1,029억 |
| 2000 | 204억 | 2010 | 2,378억 | 2020 | 2,488억 |
| 2001 | 174억 | 2011 | 1,361억 | 2021 | 3,529억 |
| 2002 | 354억 | 2012 | 2,154억 | 2022 | 4,434억 |
| 2003 | 431억 | 2013 | 1,482억 | 2023 | 2,634억 |
| 2004 | 689억 | 2014 | 2,360억 | 2024 | 4,239억 |
| 2005 | 1,324억 | 2015 | 2,930억 | 2025 | 7,291억 |
| 2006 | 2,318억 | 2016 | 1,913억 | 2026 | 7,255억 |
데이터 표
| 1997 | 3.8% | 2007 | 9.8% | 2017 | 1.5% |
| 1998 | 3% | 2008 | 9% | 2018 | 0.2% |
| 1999 | 1.9% | 2009 | 4.7% | 2019 | 0.7% |
| 2000 | 1.7% | 2010 | 3.9% | 2020 | 1.6% |
| 2001 | 1.3% | 2011 | 1.8% | 2021 | 1.9% |
| 2002 | 2.4% | 2012 | 2.5% | 2022 | 2.4% |
| 2003 | 2.6% | 2013 | 1.5% | 2023 | 1.4% |
| 2004 | 3.5% | 2014 | 2.2% | 2024 | 2.2% |
| 2005 | 5.7% | 2015 | 2.6% | 2025 | 3.7% |
| 2006 | 8.3% | 2016 | 1.7% | 2026 | 3.5% |