데이터 표
| 1980 | -28억 | 1996 | -45억 | 2012 | -878억 |
| 1981 | -31.7억 | 1997 | -55억 | 2013 | -323억 |
| 1982 | -33.9억 | 1998 | -40.4억 | 2014 | -268억 |
| 1983 | -32.1억 | 1999 | -47억 | 2015 | -221억 |
| 1984 | -24.2억 | 2000 | -26.7억 | 2016 | -144억 |
| 1985 | -48.1억 | 2001 | 34억 | 2017 | -487억 |
| 1986 | -45.6억 | 2002 | 63.4억 | 2018 | -572억 |
| 1987 | -48.5억 | 2003 | 141억 | 2019 | -246억 |
| 1988 | -72억 | 2004 | -24.7억 | 2020 | 240억 |
| 1989 | -59.6억 | 2005 | -99억 | 2021 | -387억 |
| 1990 | -96.2억 | 2006 | -95.7억 | 2022 | -670억 |
| 1991 | -11.7억 | 2007 | -157억 | 2023 | -260억 |
| 1992 | -49.1억 | 2008 | -279억 | 2024 | -229억 |
| 1993 | -11.6억 | 2009 | -384억 | 2025 | -362억 |
| 1994 | -33.7억 | 2010 | -479억 | 2026 | -845억 |
| 1995 | -59억 | 2011 | -782억 | | |
데이터 표
| 1980 | -1.5% | 1996 | -1.1% | 2012 | -4.8% |
| 1981 | -1.6% | 1997 | -1.3% | 2013 | -1.7% |
| 1982 | -1.7% | 1998 | -1% | 2014 | -1.3% |
| 1983 | -1.5% | 1999 | -1% | 2015 | -1.1% |
| 1984 | -1.1% | 2000 | -0.6% | 2016 | -0.6% |
| 1985 | -2.1% | 2001 | 0.7% | 2017 | -1.9% |
| 1986 | -1.8% | 2002 | 1.2% | 2018 | -2.2% |
| 1987 | -1.7% | 2003 | 2.3% | 2019 | -0.9% |
| 1988 | -2.4% | 2004 | -0.3% | 2020 | 0.9% |
| 1989 | -2% | 2005 | -1.2% | 2021 | -1.3% |
| 1990 | -3% | 2006 | -1% | 2022 | -2.1% |
| 1991 | -0.4% | 2007 | -1.3% | 2023 | -0.7% |
| 1992 | -1.7% | 2008 | -2.3% | 2024 | -0.6% |
| 1993 | -0.4% | 2009 | -2.9% | 2025 | -0.9% |
| 1994 | -1% | 2010 | -2.9% | 2026 | -2% |
| 1995 | -1.6% | 2011 | -4.3% | | |