Show data table
| 1992 | 19.3B | 2004 | 34.2B | 2016 | 44.3B |
| 1993 | 16.6B | 2005 | 36B | 2017 | 48.1B |
| 1994 | 16.9B | 2006 | 39.3B | 2018 | 53.7B |
| 1995 | 21.4B | 2007 | 47.9B | 2019 | 53.9B |
| 1996 | 21.5B | 2008 | 55.5B | 2020 | 53.3B |
| 1997 | 20.8B | 2009 | 49.9B | 2021 | 61.6B |
| 1998 | 22.1B | 2010 | 47.8B | 2022 | 59.9B |
| 1999 | 22.7B | 2011 | 51.2B | 2023 | 69.3B |
| 2000 | 20.3B | 2012 | 46.2B | 2024 | 73B |
| 2001 | 20.7B | 2013 | 47.9B | 2025 | 79.6B |
| 2002 | 23.3B | 2014 | 49.5B | 2026 | 86.7B |
| 2003 | 29.4B | 2015 | 42.7B | | |
Show data table
| 1992 | 6.45B | 2004 | 27.4B | 2016 | 40B |
| 1993 | 7.81B | 2005 | 28.9B | 2017 | 42.6B |
| 1994 | 9.05B | 2006 | 31.3B | 2018 | 45.5B |
| 1995 | 10.6B | 2007 | 34.9B | 2019 | 48.2B |
| 1996 | 12.1B | 2008 | 37.7B | 2020 | 46.7B |
| 1997 | 13.8B | 2009 | 35.8B | 2021 | 52B |
| 1998 | 15.3B | 2010 | 36.1B | 2022 | 56.9B |
| 1999 | 17.1B | 2011 | 36.8B | 2023 | 64B |
| 2000 | 18.7B | 2012 | 35.9B | 2024 | 67.4B |
| 2001 | 20.9B | 2013 | 36B | 2025 | 70.5B |
| 2002 | 23.3B | 2014 | 37.3B | 2026 | 73.6B |
| 2003 | 25.4B | 2015 | 38.5B | | |
Show data table
| 1992 | 20.1B | 2004 | 31.7B | 2016 | 37.9B |
| 1993 | 20.7B | 2005 | 32.9B | 2017 | 39.8B |
| 1994 | 21.8B | 2006 | 34.8B | 2018 | 41.6B |
| 1995 | 22.7B | 2007 | 37.3B | 2019 | 43B |
| 1996 | 23.4B | 2008 | 38.6B | 2020 | 41.3B |
| 1997 | 24.6B | 2009 | 35.7B | 2021 | 44.8B |
| 1998 | 25.4B | 2010 | 36.1B | 2022 | 46B |
| 1999 | 26.7B | 2011 | 36.3B | 2023 | 47B |
| 2000 | 27.6B | 2012 | 35.2B | 2024 | 47.9B |
| 2001 | 28.4B | 2013 | 34.9B | 2025 | 48.4B |
| 2002 | 29.4B | 2014 | 35.9B | 2026 | 49.3B |
| 2003 | 30.3B | 2015 | 36.8B | | |