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| 1980 | -71 M | 1996 | -35 M | 2012 | -219 M |
| 1981 | -24 M | 1997 | -30 M | 2013 | -90 M |
| 1982 | -13 M | 1998 | -58 M | 2014 | -169 M |
| 1983 | -12 M | 1999 | -83 M | 2015 | -51 M |
| 1984 | -7 M | 2000 | -60 M | 2016 | -64 M |
| 1985 | -5 M | 2001 | -60 M | 2017 | -139 M |
| 1986 | 2 M | 2002 | -69 M | 2018 | -105 M |
| 1987 | 14 M | 2003 | -91 M | 2019 | 5 M |
| 1988 | -6 M | 2004 | -133 M | 2020 | -281 M |
| 1989 | -26 M | 2005 | -34 M | 2021 | -249 M |
| 1990 | -18 M | 2006 | -60 M | 2022 | -80 M |
| 1991 | -17 M | 2007 | -196 M | 2023 | -69 M |
| 1992 | -20 M | 2008 | -245 M | 2024 | 107 M |
| 1993 | -33 M | 2009 | -248 M | 2025 | 112 M |
| 1994 | -46 M | 2010 | -207 M | 2026 | -14 M |
| 1995 | -62 M | 2011 | -304 M | | |
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| 1980 | -45,3% | 1996 | -5,7% | 2012 | -11,5% |
| 1981 | -12,6% | 1997 | -4,9% | 2013 | -4,4% |
| 1982 | -8,8% | 1998 | -8,9% | 2014 | -8,3% |
| 1983 | -8,4% | 1999 | -11,9% | 2015 | -2,9% |
| 1984 | -4,8% | 2000 | -8,7% | 2016 | -3,4% |
| 1985 | -3,1% | 2001 | -7,6% | 2017 | -7% |
| 1986 | 0,9% | 2002 | -8% | 2018 | -4,8% |
| 1987 | 5,2% | 2003 | -8,2% | 2019 | 0,2% |
| 1988 | -1,9% | 2004 | -10,5% | 2020 | -15,4% |
| 1989 | -8% | 2005 | -2,4% | 2021 | -12,1% |
| 1990 | -4,4% | 2006 | -4,1% | 2022 | -3,5% |
| 1991 | -3,8% | 2007 | -11,9% | 2023 | -2,8% |
| 1992 | -4,3% | 2008 | -12,5% | 2024 | 3,9% |
| 1993 | -7,7% | 2009 | -13,4% | 2025 | 3,6% |
| 1994 | -10,2% | 2010 | -11,3% | 2026 | -0,4% |
| 1995 | -10,8% | 2011 | -14,8% | | |