데이터 표
| 1980 | -9.15억 | 1996 | -41.7억 | 2012 | -46.6억 |
| 1981 | -8.5억 | 1997 | -36억 | 2013 | -25억 |
| 1982 | -3.74억 | 1998 | -17억 | 2014 | -31.3억 |
| 1983 | -5.68억 | 1999 | -18.6억 | 2015 | -28.2억 |
| 1984 | -11.2억 | 2000 | -2.15억 | 2016 | -49.6억 |
| 1985 | -8.48억 | 2001 | 3.24억 | 2017 | -123억 |
| 1986 | -5.93억 | 2002 | 28.3억 | 2018 | -192억 |
| 1987 | -9.85억 | 2003 | 40.7억 | 2019 | -134억 |
| 1988 | -13.7억 | 2004 | 18.3억 | 2020 | -44.5억 |
| 1989 | -14.9억 | 2005 | -14.7억 | 2021 | -28.2억 |
| 1990 | -13.8억 | 2006 | -49억 | 2022 | -175억 |
| 1991 | -17.2억 | 2007 | -67.7억 | 2023 | -32.8억 |
| 1992 | -10.7억 | 2008 | -138억 | 2024 | -20.7억 |
| 1993 | -33.5억 | 2009 | -92.6억 | 2025 | 19.3억 |
| 1994 | -16.6억 | 2010 | -39.5억 | | |
| 1995 | -21.7억 | 2011 | 2.14억 | | |
데이터 표
| 1980 | -2.4% | 1996 | -4% | 2012 | -1.9% |
| 1981 | -1.9% | 1997 | -3.5% | 2013 | -1% |
| 1982 | -0.7% | 1998 | -1.7% | 2014 | -1.2% |
| 1983 | -1.2% | 1999 | -1.9% | 2015 | -0.9% |
| 1984 | -2.2% | 2000 | -0.2% | 2016 | -1.6% |
| 1985 | -1.7% | 2001 | 0.3% | 2017 | -3.6% |
| 1986 | -1.1% | 2002 | 2.9% | 2018 | -5.4% |
| 1987 | -1.8% | 2003 | 3.6% | 2019 | -4.2% |
| 1988 | -2.2% | 2004 | 1.4% | 2020 | -1.5% |
| 1989 | -2.3% | 2005 | -1% | 2021 | -0.8% |
| 1990 | -2.1% | 2006 | -3% | 2022 | -4.7% |
| 1991 | -2.3% | 2007 | -3.7% | 2023 | -1% |
| 1992 | -1.3% | 2008 | -6.8% | 2024 | -0.6% |
| 1993 | -4% | 2009 | -5% | 2025 | 0.5% |
| 1994 | -2% | 2010 | -2% | 2026 | -0.4% |
| 1995 | -2.2% | 2011 | 0.1% | | |