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| 1980 | -39 M | 1996 | -221 M | 2012 | -310 M |
| 1981 | -52 M | 1997 | -283 M | 2013 | -217 M |
| 1982 | 133 M | 1998 | -146 M | 2014 | -200 M |
| 1983 | 170 M | 1999 | -217 M | 2015 | -149 M |
| 1984 | 174 M | 2000 | -41 M | 2016 | -225 M |
| 1985 | 147 M | 2001 | 48 M | 2017 | -170 M |
| 1986 | 162 M | 2002 | 54 M | 2018 | -173 M |
| 1987 | 218 M | 2003 | -37 M | 2019 | -147 M |
| 1988 | 82 M | 2004 | 80 M | 2020 | -119 M |
| 1989 | 87 M | 2005 | 82 M | 2021 | -222 M |
| 1990 | 183 M | 2006 | 240 M | 2022 | -319 M |
| 1991 | -238 M | 2007 | 288 M | 2023 | -19 M |
| 1992 | -164 M | 2008 | 243 M | 2024 | 54 M |
| 1993 | -74 M | 2009 | -73 M | 2025 | -94 M |
| 1994 | -63 M | 2010 | -315 M | 2026 | -100 M |
| 1995 | -176 M | 2011 | -467 M | | |
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| 1980 | -9% | 1996 | -22,6% | 2012 | -12,6% |
| 1981 | -12% | 1997 | -27,6% | 2013 | -9,3% |
| 1982 | 36,7% | 1998 | -15,4% | 2014 | -8,1% |
| 1983 | 42,5% | 1999 | -23,2% | 2015 | -6,8% |
| 1984 | 48,2% | 2000 | -4,5% | 2016 | -10,2% |
| 1985 | 51,2% | 2001 | 6,2% | 2017 | -7% |
| 1986 | 48,8% | 2002 | 6,3% | 2018 | -7% |
| 1987 | 50,2% | 2003 | -3% | 2019 | -6,3% |
| 1988 | 16,6% | 2004 | 5% | 2020 | -5,7% |
| 1989 | 16,7% | 2005 | 4,8% | 2021 | -9,1% |
| 1990 | 28,8% | 2006 | 14% | 2022 | -14% |
| 1991 | -32% | 2007 | 16,4% | 2023 | -0,8% |
| 1992 | -19% | 2008 | 14,7% | 2024 | 2,1% |
| 1993 | -8,5% | 2009 | -3,8% | 2025 | -3,3% |
| 1994 | -6,8% | 2010 | -13,4% | 2026 | -3,4% |
| 1995 | -17,1% | 2011 | -18,2% | | |