데이터 표
| 1980 | -5.21억 | 1996 | -4.13억 | 2012 | -45.9억 |
| 1981 | -4.07억 | 1997 | -4.36억 | 2013 | -48.9억 |
| 1982 | -5.23억 | 1998 | -7.04억 | 2014 | -49억 |
| 1983 | -3.05억 | 1999 | -7.77억 | 2015 | -36.7억 |
| 1984 | -3.59억 | 2000 | -3.97억 | 2016 | -21억 |
| 1985 | -3.75억 | 2001 | -3.09억 | 2017 | -14.9억 |
| 1986 | -3.21억 | 2002 | -1.74억 | 2018 | -23.1억 |
| 1987 | -4.07억 | 2003 | -1.6억 | 2019 | -13.4억 |
| 1988 | -3.57억 | 2004 | -5억 | 2020 | -14.6억 |
| 1989 | -3.35억 | 2005 | -9.07억 | 2021 | -23.9억 |
| 1990 | -5.59억 | 2006 | -13.4억 | 2022 | -54.8억 |
| 1991 | -7.37억 | 2007 | -18.3억 | 2023 | -29.6억 |
| 1992 | -7.14억 | 2008 | -21.3억 | 2024 | -22.2억 |
| 1993 | -8.95억 | 2009 | -21.8억 | 2025 | -21.3억 |
| 1994 | -6.37억 | 2010 | -23.5억 | 2026 | -21.4억 |
| 1995 | -5.9억 | 2011 | -35.7억 | | |
데이터 표
| 1980 | -4.8% | 1996 | -5.2% | 2012 | -11.6% |
| 1981 | -3.1% | 1997 | -4.7% | 2013 | -10.7% |
| 1982 | -3.5% | 1998 | -6.1% | 2014 | -9.8% |
| 1983 | -2% | 1999 | -6.6% | 2015 | -7.7% |
| 1984 | -2.6% | 2000 | -3.2% | 2016 | -4.2% |
| 1985 | -3% | 2001 | -2.5% | 2017 | -2.8% |
| 1986 | -2% | 2002 | -1.3% | 2018 | -4.2% |
| 1987 | -5.2% | 2003 | -1.1% | 2019 | -2.3% |
| 1988 | -4.8% | 2004 | -3.2% | 2020 | -2.3% |
| 1989 | -5.2% | 2005 | -5.3% | 2021 | -3.5% |
| 1990 | -10.8% | 2006 | -7.1% | 2022 | -7.4% |
| 1991 | -12.3% | 2007 | -8.4% | 2023 | -3.8% |
| 1992 | -12.8% | 2008 | -7.7% | 2024 | -2.8% |
| 1993 | -17.3% | 2009 | -7.4% | 2025 | -2.4% |
| 1994 | -11.6% | 2010 | -7.4% | 2026 | -2.3% |
| 1995 | -9.2% | 2011 | -10.4% | | |