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| 1980 | 14 M | 1996 | 45 M | 2012 | -388 M |
| 1981 | 5 M | 1997 | 18 M | 2013 | -469 M |
| 1982 | -71 M | 1998 | 39 M | 2014 | -491 M |
| 1983 | -79 M | 1999 | 9 M | 2015 | -551 M |
| 1984 | -94 M | 2000 | -40 M | 2016 | -653 M |
| 1985 | -78 M | 2001 | -39 M | 2017 | -541 M |
| 1986 | -93 M | 2002 | -81 M | 2018 | -462 M |
| 1987 | -83 M | 2003 | -138 M | 2019 | -502 M |
| 1988 | -57 M | 2004 | -122 M | 2020 | -382 M |
| 1989 | -71 M | 2005 | -235 M | 2021 | -292 M |
| 1990 | -28 M | 2006 | -38 M | 2022 | -847 M |
| 1991 | -25 M | 2007 | 84 M | 2023 | -1,02 mil M |
| 1992 | -70 M | 2008 | -112 M | 2024 | -642 M |
| 1993 | -40 M | 2009 | -76 M | 2025 | -655 M |
| 1994 | -34 M | 2010 | -319 M | 2026 | -745 M |
| 1995 | 45 M | 2011 | -659 M | | |
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| 1980 | 10,9% | 1996 | 14% | 2012 | -19,7% |
| 1981 | 3,4% | 1997 | 5% | 2013 | -23,5% |
| 1982 | -47,3% | 1998 | 9,7% | 2014 | -25% |
| 1983 | -48,5% | 1999 | 2,2% | 2015 | -25,5% |
| 1984 | -55,9% | 2000 | -8,7% | 2016 | -29% |
| 1985 | -44,7% | 2001 | -8,3% | 2017 | -22% |
| 1986 | -47,2% | 2002 | -15,6% | 2018 | -17,4% |
| 1987 | -34,8% | 2003 | -22,3% | 2019 | -19,2% |
| 1988 | -20,7% | 2004 | -17,4% | 2020 | -14,8% |
| 1989 | -26% | 2005 | -28,8% | 2021 | -11,2% |
| 1990 | -9,5% | 2006 | -4,3% | 2022 | -29,5% |
| 1991 | -9,7% | 2007 | 7,8% | 2023 | -35% |
| 1992 | -28,3% | 2008 | -8,2% | 2024 | -20,4% |
| 1993 | -15,4% | 2009 | -6% | 2025 | -18,9% |
| 1994 | -13% | 2010 | -20,8% | 2026 | -19,3% |
| 1995 | 14,7% | 2011 | -35,1% | | |