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| 1980 | -16 M | 1996 | 11 M | 2012 | -50 M |
| 1981 | -17 M | 1997 | -9 M | 2013 | -12 M |
| 1982 | -9 M | 1998 | 3 M | 2014 | -69 M |
| 1983 | 1 M | 1999 | -22 M | 2015 | -22 M |
| 1984 | -3 M | 2000 | -4 M | 2016 | -36 M |
| 1985 | 2 M | 2001 | -11 M | 2017 | -16 M |
| 1986 | 10 M | 2002 | -24 M | 2018 | 7 M |
| 1987 | 11 M | 2003 | -13 M | 2019 | 26 M |
| 1988 | 13 M | 2004 | -14 M | 2020 | 8 M |
| 1989 | 14 M | 2005 | -35 M | 2021 | -125 M |
| 1990 | 13 M | 2006 | -44 M | 2022 | -94 M |
| 1991 | -31 M | 2007 | -76 M | 2023 | -31 M |
| 1992 | -25 M | 2008 | -32 M | 2024 | 52 M |
| 1993 | -35 M | 2009 | -29 M | 2025 | 74 M |
| 1994 | 4 M | 2010 | -37 M | 2026 | -22 M |
| 1995 | 10 M | 2011 | -22 M | | |
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| 1980 | -12,6% | 1996 | 4,4% | 2012 | -6,5% |
| 1981 | -13,9% | 1997 | -3,1% | 2013 | -1,5% |
| 1982 | -7,7% | 1998 | 0,9% | 2014 | -8,6% |
| 1983 | 1,1% | 1999 | -8,2% | 2015 | -2,6% |
| 1984 | -2,4% | 2000 | -1,7% | 2016 | -4,2% |
| 1985 | 1,8% | 2001 | -4% | 2017 | -1,8% |
| 1986 | 8,7% | 2002 | -8,3% | 2018 | 0,8% |
| 1987 | 9% | 2003 | -3,8% | 2019 | 2,8% |
| 1988 | 9,8% | 2004 | -3,3% | 2020 | 0,9% |
| 1989 | 10,1% | 2005 | -7,1% | 2021 | -14,6% |
| 1990 | 7,1% | 2006 | -8,5% | 2022 | -10,6% |
| 1991 | -17,4% | 2007 | -13,5% | 2023 | -3% |
| 1992 | -13,2% | 2008 | -4,7% | 2024 | 4,4% |
| 1993 | -17,6% | 2009 | -4,6% | 2025 | 5,7% |
| 1994 | 2,4% | 2010 | -5,4% | 2026 | -1,6% |
| 1995 | 4% | 2011 | -3% | | |