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