데이터 표
| 1998 | -3.45억 | 2008 | -26.4억 | 2018 | -6.62억 |
| 1999 | -5.01억 | 2009 | -11.3억 | 2019 | -5.32억 |
| 2000 | -3.96억 | 2010 | -10.3억 | 2020 | -5.74억 |
| 2001 | -7.43억 | 2011 | -17.7억 | 2021 | -4.19억 |
| 2002 | -11.9억 | 2012 | -14.9억 | 2022 | -10.8억 |
| 2003 | -16.3억 | 2013 | -9.68억 | 2023 | -5.9억 |
| 2004 | -16.4억 | 2014 | -13.6억 | 2024 | -10.3억 |
| 2005 | -18.4억 | 2015 | -8.26억 | 2025 | -10.5억 |
| 2006 | -9.98억 | 2016 | -8.04억 | 2026 | -17.1억 |
| 2007 | -14.5억 | 2017 | -8.76억 | | |
데이터 표
| 1998 | -6.5% | 2008 | -13.8% | 2018 | -3.2% |
| 1999 | -8.7% | 2009 | -6.4% | 2019 | -2.6% |
| 2000 | -7.1% | 2010 | -6% | 2020 | -2.8% |
| 2001 | -12.8% | 2011 | -9.5% | 2021 | -1.8% |
| 2002 | -17.7% | 2012 | -8.6% | 2022 | -4.4% |
| 2003 | -19.2% | 2013 | -5.3% | 2023 | -2.1% |
| 2004 | -16.1% | 2014 | -7.3% | 2024 | -3.5% |
| 2005 | -16.4% | 2015 | -5% | 2025 | -3.2% |
| 2006 | -7.8% | 2016 | -4.7% | 2026 | -4.6% |
| 2007 | -9.2% | 2017 | -4.8% | | |