데이터 표
| 1980 | 42억 | 1996 | -37.5억 | 2012 | -848억 |
| 1981 | 99.6억 | 1997 | -26.2억 | 2013 | -1,263억 |
| 1982 | 41.1억 | 1998 | -50.4억 | 2014 | -1,487억 |
| 1983 | 21.7억 | 1999 | -362억 | 2015 | -1,409억 |
| 1984 | -14.3억 | 2000 | -310억 | 2016 | -1,425억 |
| 1985 | -3.28억 | 2001 | -295억 | 2017 | -913억 |
| 1986 | -48.2억 | 2002 | -357억 | 2018 | -1,080억 |
| 1987 | -108억 | 2003 | -377억 | 2019 | -713억 |
| 1988 | -325억 | 2004 | -563억 | 2020 | -742억 |
| 1989 | -384억 | 2005 | -509억 | 2021 | -242억 |
| 1990 | -339억 | 2006 | -845억 | 2022 | -612억 |
| 1991 | -136억 | 2007 | -1,153억 | 2023 | -1,222억 |
| 1992 | -166억 | 2008 | -1,143억 | 2024 | -1,101억 |
| 1993 | -122억 | 2009 | -744억 | 2025 | -1,252억 |
| 1994 | -23.2억 | 2010 | -688억 | 2026 | -1,442억 |
| 1995 | -51.2억 | 2011 | -436억 | | |
데이터 표
| 1980 | 0.7% | 1996 | -0.3% | 2012 | -3.1% |
| 1981 | 1.7% | 1997 | -0.2% | 2013 | -4.5% |
| 1982 | 0.7% | 1998 | -0.3% | 2014 | -4.8% |
| 1983 | 0.4% | 1999 | -2.1% | 2015 | -4.8% |
| 1984 | -0.3% | 2000 | -1.9% | 2016 | -5.2% |
| 1985 | -0.1% | 2001 | -1.8% | 2017 | -3.4% |
| 1986 | -0.7% | 2002 | -2% | 2018 | -3.7% |
| 1987 | -1.3% | 2003 | -1.8% | 2019 | -2.5% |
| 1988 | -3.3% | 2004 | -2.3% | 2020 | -2.7% |
| 1989 | -3.8% | 2005 | -2% | 2021 | -0.8% |
| 1990 | -2.8% | 2006 | -3.1% | 2022 | -1.9% |
| 1991 | -1.1% | 2007 | -3.7% | 2023 | -3.6% |
| 1992 | -1.3% | 2008 | -3.8% | 2024 | -3% |
| 1993 | -1% | 2009 | -3.1% | 2025 | -3.1% |
| 1994 | -0.2% | 2010 | -2.8% | 2026 | -3.4% |
| 1995 | -0.4% | 2011 | -1.6% | | |