Show data table
| 1991 | 45.3% | 2003 | 17.2% | 2015 | 4.6% |
| 1992 | 27.9% | 2004 | 13.9% | 2016 | 9.9% |
| 1993 | 28.8% | 2005 | 10.2% | 2017 | 19.6% |
| 1994 | 37.7% | 2006 | 7.8% | 2018 | 14.3% |
| 1995 | 34.9% | 2007 | 7% | 2019 | 10.5% |
| 1996 | 26.5% | 2008 | 5.4% | 2020 | 10.2% |
| 1997 | 24.3% | 2009 | 6.7% | 2021 | 7.2% |
| 1998 | 25.6% | 2010 | 6.2% | 2022 | 3% |
| 1999 | 25.5% | 2011 | 4.6% | 2023 | 3.1% |
| 2000 | 21.4% | 2012 | 3.6% | 2024 | 2.9% |
| 2001 | 23% | 2013 | 3.1% | 2025 | 14.6% |
| 2002 | 21.3% | 2014 | 3.4% | 2026 | 22.3% |
Show data table
| 1991 | 1.42B | 2003 | 2.46B | 2015 | 1.59B |
| 1992 | 1.62B | 2004 | 2.43B | 2016 | 3.27B |
| 1993 | 2.08B | 2005 | 2.41B | 2017 | 7.18B |
| 1994 | 2.78B | 2006 | 2.3B | 2018 | 5.97B |
| 1995 | 2.83B | 2007 | 2.3B | 2019 | 4.5B |
| 1996 | 2.49B | 2008 | 2.13B | 2020 | 3.48B |
| 1997 | 2.23B | 2009 | 2.03B | 2021 | 3.22B |
| 1998 | 2.03B | 2010 | 2.04B | 2022 | 1.66B |
| 1999 | 2.34B | 2011 | 1.97B | 2023 | 1.59B |
| 2000 | 2.47B | 2012 | 1.76B | 2024 | 1.44B |
| 2001 | 2.46B | 2013 | 1.53B | 2025 | 7.06B |
| 2002 | 2.47B | 2014 | 1.59B | 2026 | 11.8B |