Show data table
| 1997 | 64.2% | 2007 | 3.1% | 2017 | 24.7% |
| 1998 | 81.6% | 2008 | 3.6% | 2018 | 22.5% |
| 1999 | 66.7% | 2009 | 3.1% | 2019 | 17.7% |
| 2000 | 55.1% | 2010 | 7% | 2020 | 15.4% |
| 2001 | 34.1% | 2011 | 14.8% | 2021 | 12.3% |
| 2002 | 24.2% | 2012 | 17.9% | 2022 | 7.1% |
| 2003 | 16.9% | 2013 | 20.4% | 2023 | 5.5% |
| 2004 | 11.4% | 2014 | 16% | 2024 | 4.1% |
| 2005 | 6.8% | 2015 | 19% | 2025 | 3.8% |
| 2006 | 4.2% | 2016 | 21.1% | 2026 | 3.7% |
Show data table
| 1997 | 1.33B | 2007 | 770M | 2017 | 32.8B |
| 1998 | 2.13B | 2008 | 1.64B | 2018 | 32.1B |
| 1999 | 2.49B | 2009 | 1.66B | 2019 | 27.9B |
| 2000 | 2.68B | 2010 | 4.28B | 2020 | 24.4B |
| 2001 | 2.29B | 2011 | 11.7B | 2021 | 21.3B |
| 2002 | 2.04B | 2012 | 18B | 2022 | 14.2B |
| 2003 | 1.87B | 2013 | 22.7B | 2023 | 12B |
| 2004 | 1.57B | 2014 | 19.8B | 2024 | 9.88B |
| 2005 | 1.13B | 2015 | 23.7B | 2025 | 10.2B |
| 2006 | 876M | 2016 | 26.7B | 2026 | 10.7B |