데이터 표
| 2001 | -1.57억 | 2010 | -8.42억 | 2019 | -7.91억 |
| 2002 | -1.46억 | 2011 | -6.71억 | 2020 | -12.4억 |
| 2003 | -1.15억 | 2012 | -6.25억 | 2021 | -5.4억 |
| 2004 | -1.49억 | 2013 | -5.09억 | 2022 | -8.07억 |
| 2005 | -3.76억 | 2014 | -5.7억 | 2023 | -8.56억 |
| 2006 | -8.62억 | 2015 | -4.46억 | 2024 | -14.1억 |
| 2007 | -14.8억 | 2016 | -7.1억 | 2025 | -19억 |
| 2008 | -22.6억 | 2017 | -7.81억 | 2026 | -19.9억 |
| 2009 | -11.6억 | 2018 | -9.37억 | | |
데이터 표
| 2001 | -13.6% | 2010 | -20.3% | 2019 | -14.4% |
| 2002 | -11.5% | 2011 | -14.9% | 2020 | -26.3% |
| 2003 | -6.9% | 2012 | -15.3% | 2021 | -9.3% |
| 2004 | -7.2% | 2013 | -11.5% | 2022 | -12.9% |
| 2005 | -16.7% | 2014 | -12.4% | 2023 | -11.2% |
| 2006 | -31.7% | 2015 | -11.1% | 2024 | -17.1% |
| 2007 | -40.1% | 2016 | -16.3% | 2025 | -20.5% |
| 2008 | -49.5% | 2017 | -16.3% | 2026 | -19.4% |
| 2009 | -27.8% | 2018 | -17.2% | | |