Show data table
| 2006 | 0.6% | 2013 | 2.2% | 2020 | 2.2% |
| 2007 | 0.7% | 2014 | 3.2% | 2021 | 1.4% |
| 2008 | 0.9% | 2015 | 3% | 2022 | 1.3% |
| 2009 | 1.1% | 2016 | 3% | 2023 | 1.7% |
| 2010 | 1.1% | 2017 | 2.6% | 2024 | 1.6% |
| 2011 | 2.1% | 2018 | 1.9% | 2025 | 1.5% |
| 2012 | 2.1% | 2019 | 1.8% | 2026 | 1.5% |
Show data table
| 1980 | 0M | 1996 | 0M | 2012 | 500M |
| 1981 | 0M | 1997 | 0M | 2013 | 500M |
| 1982 | 0M | 1998 | 0M | 2014 | 700M |
| 1983 | 0M | 1999 | 0M | 2015 | 525M |
| 1984 | 0M | 2000 | 0M | 2016 | 473M |
| 1985 | 0M | 2001 | 0M | 2017 | 432M |
| 1986 | 0M | 2002 | 0M | 2018 | 348M |
| 1987 | 0M | 2003 | 0M | 2019 | 335M |
| 1988 | 0M | 2004 | 0M | 2020 | 358M |
| 1989 | 0M | 2005 | 0M | 2021 | 270M |
| 1990 | 0M | 2006 | 120M | 2022 | 305M |
| 1991 | 0M | 2007 | 140M | 2023 | 339M |
| 1992 | 0M | 2008 | 213M | 2024 | 321M |
| 1993 | 0M | 2009 | 192M | 2025 | 322M |
| 1994 | 0M | 2010 | 208M | 2026 | 323M |
| 1995 | 0M | 2011 | 496M | | |