Show data table
| 1992 | 1.64B | 2004 | 13.8B | 2016 | 27.1B |
| 1993 | 2.64B | 2005 | 16.3B | 2017 | 29.4B |
| 1994 | 4.39B | 2006 | 20.5B | 2018 | 33.3B |
| 1995 | 5.24B | 2007 | 29.5B | 2019 | 33.1B |
| 1996 | 5.8B | 2008 | 34.3B | 2020 | 33.4B |
| 1997 | 6.35B | 2009 | 25.8B | 2021 | 38.2B |
| 1998 | 6.98B | 2010 | 23.5B | 2022 | 38B |
| 1999 | 7.33B | 2011 | 26.8B | 2023 | 42.8B |
| 2000 | 7.77B | 2012 | 27.1B | 2024 | 44B |
| 2001 | 8.19B | 2013 | 29.2B | 2025 | 48.6B |
| 2002 | 9.26B | 2014 | 30.3B | 2026 | 53.7B |
| 2003 | 11.2B | 2015 | 26.3B | | |
Show data table
| 1992 | 1.72B | 2004 | 10.6B | 2016 | 24.5B |
| 1993 | 2.51B | 2005 | 13.1B | 2017 | 26B |
| 1994 | 3.5B | 2006 | 16.3B | 2018 | 28.2B |
| 1995 | 3.93B | 2007 | 21.5B | 2019 | 29.6B |
| 1996 | 4.54B | 2008 | 23.4B | 2020 | 29.2B |
| 1997 | 5.25B | 2009 | 18.5B | 2021 | 32.3B |
| 1998 | 5.85B | 2010 | 17.7B | 2022 | 36.1B |
| 1999 | 6.1B | 2011 | 19.1B | 2023 | 39.6B |
| 2000 | 6.7B | 2012 | 21.1B | 2024 | 40.7B |
| 2001 | 7.32B | 2013 | 22B | 2025 | 43B |
| 2002 | 8.13B | 2014 | 22.8B | 2026 | 45.5B |
| 2003 | 9.14B | 2015 | 23.7B | | |
Show data table
| 1992 | 13.5B | 2004 | 20.9B | 2016 | 27.9B |
| 1993 | 11.9B | 2005 | 23.4B | 2017 | 28.8B |
| 1994 | 12.2B | 2006 | 26.3B | 2018 | 30.1B |
| 1995 | 12B | 2007 | 29.1B | 2019 | 30.3B |
| 1996 | 12.2B | 2008 | 28.1B | 2020 | 29.2B |
| 1997 | 13.4B | 2009 | 23.6B | 2021 | 31.3B |
| 1998 | 14.2B | 2010 | 22.7B | 2022 | 31.9B |
| 1999 | 14.6B | 2011 | 23.4B | 2023 | 31.6B |
| 2000 | 15.5B | 2012 | 25.1B | 2024 | 31.5B |
| 2001 | 16.5B | 2013 | 25.7B | 2025 | 32.2B |
| 2002 | 17.7B | 2014 | 26.2B | 2026 | 32.9B |
| 2003 | 19.2B | 2015 | 27.2B | | |