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| 1980 | -41 M | 1996 | 19 M | 2012 | -43 M |
| 1981 | -181 M | 1997 | -60 M | 2013 | -401 M |
| 1982 | -119 M | 1998 | -7 M | 2014 | -270 M |
| 1983 | -106 M | 1999 | -50 M | 2015 | -153 M |
| 1984 | -68 M | 2000 | -70 M | 2016 | -174 M |
| 1985 | -67 M | 2001 | -80 M | 2017 | -356 M |
| 1986 | -35 M | 2002 | 15 M | 2018 | -470 M |
| 1987 | 20 M | 2003 | -102 M | 2019 | -629 M |
| 1988 | 67 M | 2004 | -327 M | 2020 | -506 M |
| 1989 | -16 M | 2005 | -183 M | 2021 | -270 M |
| 1990 | -133 M | 2006 | -470 M | 2022 | -764 M |
| 1991 | -74 M | 2007 | -354 M | 2023 | -363 M |
| 1992 | -40 M | 2008 | -510 M | 2024 | -466 M |
| 1993 | -90 M | 2009 | -64 M | 2025 | -573 M |
| 1994 | -37 M | 2010 | -131 M | 2026 | -795 M |
| 1995 | -31 M | 2011 | -191 M | | |
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| 1980 | -3,2% | 1996 | 0,8% | 2012 | -1% |
| 1981 | -13,5% | 1997 | -2,6% | 2013 | -8,8% |
| 1982 | -9,2% | 1998 | -0,4% | 2014 | -5,6% |
| 1983 | -8,7% | 1999 | -2,4% | 2015 | -3,3% |
| 1984 | -5,3% | 2000 | -3,8% | 2016 | -3,5% |
| 1985 | -5,4% | 2001 | -4,4% | 2017 | -6,6% |
| 1986 | -2,5% | 2002 | 0,7% | 2018 | -8,4% |
| 1987 | 1,5% | 2003 | -4,1% | 2019 | -11,8% |
| 1988 | 5,5% | 2004 | -11,1% | 2020 | -12% |
| 1989 | -1,3% | 2005 | -5,6% | 2021 | -6,5% |
| 1990 | -9,2% | 2006 | -14% | 2022 | -15,3% |
| 1991 | -4,9% | 2007 | -9,6% | 2023 | -6,6% |
| 1992 | -2,4% | 2008 | -13,4% | 2024 | -7,8% |
| 1993 | -5,1% | 2009 | -2,1% | 2025 | -9,5% |
| 1994 | -1,9% | 2010 | -3,8% | 2026 | -12,5% |
| 1995 | -1,5% | 2011 | -4,7% | | |