Show data table
| 1999 | 4.7% | 2009 | 21.1% | 2019 | 25.8% |
| 2000 | 3.1% | 2010 | 18.3% | 2020 | 30.1% |
| 2001 | 2.7% | 2011 | 20.4% | 2021 | 35.7% |
| 2002 | 3.4% | 2012 | 20.2% | 2022 | 31.5% |
| 2003 | 3.3% | 2013 | 15.3% | 2023 | 31.9% |
| 2004 | 4.1% | 2014 | 13.5% | 2024 | 34.9% |
| 2005 | 4.5% | 2015 | 15.6% | 2025 | 34.3% |
| 2006 | 5.1% | 2016 | 18.6% | 2026 | 31.4% |
| 2007 | 8.9% | 2017 | 21.2% | | |
| 2008 | 8.9% | 2018 | 20.7% | | |
Show data table
| 1999 | 14.7B | 2009 | 197B | 2019 | 411B |
| 2000 | 11.8B | 2010 | 207B | 2020 | 395B |
| 2001 | 10.2B | 2011 | 276B | 2021 | 553B |
| 2002 | 13.8B | 2012 | 292B | 2022 | 592B |
| 2003 | 15.2B | 2013 | 229B | 2023 | 612B |
| 2004 | 22.1B | 2014 | 210B | 2024 | 709B |
| 2005 | 29.7B | 2015 | 219B | 2025 | 721B |
| 2006 | 41.2B | 2016 | 261B | 2026 | 716B |
| 2007 | 84.2B | 2017 | 314B | | |
| 2008 | 104B | 2018 | 335B | | |