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| 1980 | 11 M | 1996 | -17 M | 2012 | 4 M |
| 1981 | 9 M | 1997 | 4 M | 2013 | -10 M |
| 1982 | 5 M | 1998 | 16 M | 2014 | 56 M |
| 1983 | 4 M | 1999 | 2 M | 2015 | 56 M |
| 1984 | 10 M | 2000 | -2 M | 2016 | 19 M |
| 1985 | 6 M | 2001 | -6 M | 2017 | 71 M |
| 1986 | 11 M | 2002 | -9 M | 2018 | 76 M |
| 1987 | 6 M | 2003 | -8 M | 2019 | 87 M |
| 1988 | 1 M | 2004 | -7 M | 2020 | 71 M |
| 1989 | 3 M | 2005 | -29 M | 2021 | 20 M |
| 1990 | -6 M | 2006 | -10 M | 2022 | -33 M |
| 1991 | 9 M | 2007 | -3 M | 2023 | -5 M |
| 1992 | -9 M | 2008 | -5 M | 2024 | -60 M |
| 1993 | -1 M | 2009 | -17 M | 2025 | -66 M |
| 1994 | 0 M | 2010 | 0 M | 2026 | -71 M |
| 1995 | -6 M | 2011 | -17 M | | |
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| 1980 | 34,6% | 1996 | -20,3% | 2012 | 1,7% |
| 1981 | 25,8% | 1997 | 5,2% | 2013 | -5% |
| 1982 | 14,3% | 1998 | 21,3% | 2014 | 27,9% |
| 1983 | 12,8% | 1999 | 2,4% | 2015 | 29,3% |
| 1984 | 28,1% | 2000 | -3,3% | 2016 | 9,3% |
| 1985 | 21,6% | 2001 | -9,6% | 2017 | 31,6% |
| 1986 | 40,8% | 2002 | -11,4% | 2018 | 32,6% |
| 1987 | 21,1% | 2003 | -8,7% | 2019 | 37,2% |
| 1988 | 1,9% | 2004 | -7,2% | 2020 | 32,2% |
| 1989 | 7% | 2005 | -25% | 2021 | 7,1% |
| 1990 | -17,2% | 2006 | -8,6% | 2022 | -12% |
| 1991 | 21% | 2007 | -1,8% | 2023 | -1,8% |
| 1992 | -14% | 2008 | -3,5% | 2024 | -17,4% |
| 1993 | -1,3% | 2009 | -11,6% | 2025 | -18,8% |
| 1994 | 0,6% | 2010 | 0,1% | 2026 | -17,7% |
| 1995 | -8,7% | 2011 | -8,8% | | |