Show data table
| 1980 | 2.63B | 1996 | 7.59B | 2012 | 15.1B |
| 1981 | 2.89B | 1997 | 8.62B | 2013 | 14.6B |
| 1982 | 3.32B | 1998 | 9.02B | 2014 | 14.2B |
| 1983 | 2.95B | 1999 | 9.12B | 2015 | 14.9B |
| 1984 | 2.17B | 2000 | 9.3B | 2016 | 14.9B |
| 1985 | 2.04B | 2001 | 9.43B | 2017 | 15.7B |
| 1986 | 2.43B | 2002 | 9.97B | 2018 | 16.8B |
| 1987 | 2.74B | 2003 | 9.68B | 2019 | 17B |
| 1988 | 3.27B | 2004 | 10.4B | 2020 | 15.1B |
| 1989 | 3.79B | 2005 | 11.5B | 2021 | 16B |
| 1990 | 4.78B | 2006 | 12.3B | 2022 | 18.7B |
| 1991 | 4.4B | 2007 | 13.2B | 2023 | 21.3B |
| 1992 | 4.44B | 2008 | 14.1B | 2024 | 21.9B |
| 1993 | 5.58B | 2009 | 12.4B | 2025 | 22.3B |
| 1994 | 5.59B | 2010 | 13.5B | 2026 | 23B |
| 1995 | 6.72B | 2011 | 14.8B | | |
Show data table
| 1980 | 4.68B | 1996 | 282B | 2012 | 1.35T |
| 1981 | 5.15B | 1997 | 305B | 2013 | 1.47T |
| 1982 | 5.91B | 1998 | 330B | 2014 | 1.58T |
| 1983 | 7.29B | 1999 | 356B | 2015 | 1.75T |
| 1984 | 9.48B | 2000 | 397B | 2016 | 1.86T |
| 1985 | 11.6B | 2001 | 434B | 2017 | 2.02T |
| 1986 | 13.4B | 2002 | 483B | 2018 | 2.17T |
| 1987 | 15.1B | 2003 | 559B | 2019 | 2.27T |
| 1988 | 18B | 2004 | 639B | 2020 | 2.14T |
| 1989 | 21.6B | 2005 | 718B | 2021 | 2.41T |
| 1990 | 34.4B | 2006 | 805B | 2022 | 2.89T |
| 1991 | 53.2B | 2007 | 909B | 2023 | 3.3T |
| 1992 | 102B | 2008 | 1.02T | 2024 | 3.44T |
| 1993 | 139B | 2009 | 1.09T | 2025 | 3.57T |
| 1994 | 185B | 2010 | 1.18T | 2026 | 3.73T |
| 1995 | 237B | 2011 | 1.27T | | |
Show data table
| 1980 | 1.07T | 1996 | 1.61T | 2012 | 1.71T |
| 1981 | 1.11T | 1997 | 1.58T | 2013 | 1.72T |
| 1982 | 1.15T | 1998 | 1.57T | 2014 | 1.73T |
| 1983 | 1.2T | 1999 | 1.58T | 2015 | 1.75T |
| 1984 | 1.21T | 2000 | 1.59T | 2016 | 1.8T |
| 1985 | 1.2T | 2001 | 1.61T | 2017 | 1.84T |
| 1986 | 1.28T | 2002 | 1.62T | 2018 | 1.89T |
| 1987 | 1.38T | 2003 | 1.68T | 2019 | 1.92T |
| 1988 | 1.32T | 2004 | 1.71T | 2020 | 1.76T |
| 1989 | 1.38T | 2005 | 1.72T | 2021 | 1.86T |
| 1990 | 1.45T | 2006 | 1.77T | 2022 | 1.98T |
| 1991 | 1.46T | 2007 | 1.8T | 2023 | 2.04T |
| 1992 | 1.51T | 2008 | 1.78T | 2024 | 2.02T |
| 1993 | 1.54T | 2009 | 1.72T | 2025 | 2.02T |
| 1994 | 1.57T | 2010 | 1.7T | 2026 | 2T |
| 1995 | 1.61T | 2011 | 1.72T | | |