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| 1980 | -95 M | 1996 | -154 M | 2012 | -255 M |
| 1981 | -44 M | 1997 | -117 M | 2013 | -525 M |
| 1982 | -87 M | 1998 | -140 M | 2014 | -419 M |
| 1983 | -43 M | 1999 | -127 M | 2015 | -430 M |
| 1984 | 26 M | 2000 | -140 M | 2016 | -437 M |
| 1985 | -27 M | 2001 | -169 M | 2017 | -97 M |
| 1986 | -56 M | 2002 | -140 M | 2018 | -185 M |
| 1987 | -61 M | 2003 | -162 M | 2019 | -55 M |
| 1988 | -87 M | 2004 | -207 M | 2020 | -21 M |
| 1989 | -51 M | 2005 | -204 M | 2021 | -187 M |
| 1990 | -84 M | 2006 | -176 M | 2022 | -284 M |
| 1991 | -141 M | 2007 | -216 M | 2023 | -366 M |
| 1992 | -139 M | 2008 | -223 M | 2024 | -259 M |
| 1993 | -82 M | 2009 | -177 M | 2025 | -121 M |
| 1994 | -56 M | 2010 | -172 M | 2026 | -427 M |
| 1995 | -122 M | 2011 | -266 M | | |
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| 1980 | -4,9% | 1996 | -6,3% | 2012 | -4,7% |
| 1981 | -2,7% | 1997 | -4,7% | 2013 | -8,7% |
| 1982 | -6,2% | 1998 | -5,9% | 2014 | -6,6% |
| 1983 | -3,3% | 1999 | -5,4% | 2015 | -7,5% |
| 1984 | 2,1% | 2000 | -7% | 2016 | -7,2% |
| 1985 | -2,1% | 2001 | -8,5% | 2017 | -1,5% |
| 1986 | -3,1% | 2002 | -6,1% | 2018 | -2,6% |
| 1987 | -2,9% | 2003 | -5,7% | 2019 | -0,8% |
| 1988 | -3,7% | 2004 | -6,8% | 2020 | -0,3% |
| 1989 | -2,2% | 2005 | -6,6% | 2021 | -2,2% |
| 1990 | -3% | 2006 | -5,6% | 2022 | -3,3% |
| 1991 | -5,1% | 2007 | -5,7% | 2023 | -3,8% |
| 1992 | -4,8% | 2008 | -4,9% | 2024 | -2,4% |
| 1993 | -3,8% | 2009 | -3,8% | 2025 | -1% |
| 1994 | -3,3% | 2010 | -3,6% | 2026 | -3,2% |
| 1995 | -5,4% | 2011 | -4,9% | | |