데이터 표
| 1980 | 23.2억 | 1996 | -1,248억 | 2012 | -4,182억 |
| 1981 | 50.3억 | 1997 | -1,407억 | 2013 | -3,395억 |
| 1982 | -55.3억 | 1998 | -2,151억 | 2014 | -3,701억 |
| 1983 | -387억 | 1999 | -2,866억 | 2015 | -4,085억 |
| 1984 | -943억 | 2000 | -4,019억 | 2016 | -3,962억 |
| 1985 | -1,182억 | 2001 | -3,941억 | 2017 | -3,676억 |
| 1986 | -1,472억 | 2002 | -4,561억 | 2018 | -4,390억 |
| 1987 | -1,607억 | 2003 | -5,223억 | 2019 | -4,420억 |
| 1988 | -1,212억 | 2004 | -6,359억 | 2020 | -5,935억 |
| 1989 | -995억 | 2005 | -7,492억 | 2021 | -8,586억 |
| 1990 | -790억 | 2006 | -8,166억 | 2022 | -9,931억 |
| 1991 | 29억 | 2007 | -7,365억 | 2023 | -9,280억 |
| 1992 | -516억 | 2008 | -6,965억 | 2024 | -1.19조 |
| 1993 | -848억 | 2009 | -3,797억 | 2025 | -1.12조 |
| 1994 | -1,216억 | 2010 | -4,320억 | 2026 | -1.2조 |
| 1995 | -1,136억 | 2011 | -4,553억 | | |
데이터 표
| 1980 | 0.1% | 1996 | -1.5% | 2012 | -2.6% |
| 1981 | 0.2% | 1997 | -1.6% | 2013 | -2% |
| 1982 | -0.2% | 1998 | -2.4% | 2014 | -2.1% |
| 1983 | -1.1% | 1999 | -3% | 2015 | -2.2% |
| 1984 | -2.3% | 2000 | -3.9% | 2016 | -2.1% |
| 1985 | -2.7% | 2001 | -3.7% | 2017 | -1.9% |
| 1986 | -3.2% | 2002 | -4.2% | 2018 | -2.1% |
| 1987 | -3.3% | 2003 | -4.6% | 2019 | -2.1% |
| 1988 | -2.3% | 2004 | -5.2% | 2020 | -2.8% |
| 1989 | -1.8% | 2005 | -5.7% | 2021 | -3.6% |
| 1990 | -1.3% | 2006 | -5.9% | 2022 | -3.8% |
| 1991 | 0% | 2007 | -5.1% | 2023 | -3.3% |
| 1992 | -0.8% | 2008 | -4.7% | 2024 | -4% |
| 1993 | -1.2% | 2009 | -2.6% | 2025 | -3.6% |
| 1994 | -1.7% | 2010 | -2.9% | 2026 | -3.7% |
| 1995 | -1.5% | 2011 | -2.9% | | |