Show data table
| 1985 | 79.5% | 1999 | 72.3% | 2013 | 78.8% |
| 1986 | 94.5% | 2000 | 82% | 2014 | 74.8% |
| 1987 | 67.5% | 2001 | 86.1% | 2015 | 71.6% |
| 1988 | 77.6% | 2002 | 73.4% | 2016 | 66.9% |
| 1989 | 73% | 2003 | 65% | 2017 | 67.1% |
| 1990 | 72.6% | 2004 | 67.5% | 2018 | 68.6% |
| 1991 | 63.6% | 2005 | 67.5% | 2019 | 63.2% |
| 1992 | 49.3% | 2006 | 60% | 2020 | 63% |
| 1993 | 54.8% | 2007 | 67.3% | 2021 | 58.3% |
| 1994 | 59.2% | 2008 | 62% | 2022 | 69.6% |
| 1995 | 63.4% | 2009 | 73.9% | 2023 | 76.5% |
| 1996 | 66.7% | 2010 | 77.1% | 2024 | 74% |
| 1997 | 72.9% | 2011 | 78.2% | 2025 | 78.5% |
| 1998 | 70.8% | 2012 | 78.6% | 2026 | 76.5% |
Show data table
| 1985 | 5.13B | 1999 | 6.63B | 2013 | 38.9B |
| 1986 | 4.91B | 2000 | 9.49B | 2014 | 34.6B |
| 1987 | 4.21B | 2001 | 9.21B | 2015 | 24.7B |
| 1988 | 4.48B | 2002 | 8.51B | 2016 | 22.1B |
| 1989 | 5.22B | 2003 | 9.28B | 2017 | 24.6B |
| 1990 | 3.87B | 2004 | 11.8B | 2018 | 28.7B |
| 1991 | 1.99B | 2005 | 15.9B | 2019 | 27B |
| 1992 | 2.87B | 2006 | 17.7B | 2020 | 21.4B |
| 1993 | 3.96B | 2007 | 21.9B | 2021 | 26.1B |
| 1994 | 4.37B | 2008 | 24.6B | 2022 | 39.1B |
| 1995 | 5.14B | 2009 | 22.5B | 2023 | 38.9B |
| 1996 | 6.29B | 2010 | 25.5B | 2024 | 36.5B |
| 1997 | 6.71B | 2011 | 33.3B | 2025 | 38B |
| 1998 | 5.6B | 2012 | 38.3B | 2026 | 40.5B |
Show data table
| 1985 | 50.2% | 1999 | 44.3% | 2013 | 38.4% |
| 1986 | 56.6% | 2000 | 29.7% | 2014 | 45% |
| 1987 | 44.2% | 2001 | 41.2% | 2015 | 55.3% |
| 1988 | 50.1% | 2002 | 42.5% | 2016 | 54% |
| 1989 | 43.3% | 2003 | 38% | 2017 | 51.9% |
| 1990 | 122.4% | 2004 | 35.2% | 2018 | 51% |
| 1991 | 208.1% | 2005 | 28.7% | 2019 | 50.2% |
| 1992 | 77.4% | 2006 | 32.2% | 2020 | 62.9% |
| 1993 | 58% | 2007 | 30.4% | 2021 | 48.3% |
| 1994 | 57.5% | 2008 | 40.8% | 2022 | 39.6% |
| 1995 | 51.7% | 2009 | 42.8% | 2023 | 48.3% |
| 1996 | 42.5% | 2010 | 45.4% | 2024 | 48% |
| 1997 | 43.5% | 2011 | 39.6% | 2025 | 50.1% |
| 1998 | 51.4% | 2012 | 38.1% | 2026 | 48.9% |
Show data table
| 1985 | 3.24B | 1999 | 4.06B | 2013 | 19B |
| 1986 | 2.95B | 2000 | 3.44B | 2014 | 20.8B |
| 1987 | 2.76B | 2001 | 4.41B | 2015 | 19.1B |
| 1988 | 2.89B | 2002 | 4.93B | 2016 | 17.9B |
| 1989 | 3.09B | 2003 | 5.42B | 2017 | 19B |
| 1990 | 6.52B | 2004 | 6.17B | 2018 | 21.4B |
| 1991 | 6.52B | 2005 | 6.77B | 2019 | 21.5B |
| 1992 | 4.51B | 2006 | 9.49B | 2020 | 21.4B |
| 1993 | 4.2B | 2007 | 9.9B | 2021 | 21.6B |
| 1994 | 4.25B | 2008 | 16.2B | 2022 | 22.2B |
| 1995 | 4.19B | 2009 | 13B | 2023 | 24.6B |
| 1996 | 4.01B | 2010 | 15B | 2024 | 23.7B |
| 1997 | 4.01B | 2011 | 16.8B | 2025 | 24.2B |
| 1998 | 4.07B | 2012 | 18.6B | 2026 | 25.9B |