Show data table
| 1980 | 4.85B | 1996 | 11.7B | 2012 | 47.2B |
| 1981 | 2.64B | 1997 | 12.6B | 2013 | 50.9B |
| 1982 | 2.62B | 1998 | 13.7B | 2014 | 52B |
| 1983 | 3.16B | 1999 | 14.3B | 2015 | 56.4B |
| 1984 | 3.68B | 2000 | 15B | 2016 | 58.8B |
| 1985 | 3.94B | 2001 | 16B | 2017 | 60.5B |
| 1986 | 4.43B | 2002 | 16.6B | 2018 | 62.6B |
| 1987 | 4.55B | 2003 | 17.3B | 2019 | 64.7B |
| 1988 | 4.64B | 2004 | 18.6B | 2020 | 62.8B |
| 1989 | 5.25B | 2005 | 20B | 2021 | 65.6B |
| 1990 | 5.74B | 2006 | 22.7B | 2022 | 71B |
| 1991 | 7.2B | 2007 | 26.9B | 2023 | 87.5B |
| 1992 | 8.57B | 2008 | 30.8B | 2024 | 96.7B |
| 1993 | 9.59B | 2009 | 30.7B | 2025 | 103B |
| 1994 | 10.5B | 2010 | 37.7B | 2026 | 110B |
| 1995 | 11.6B | 2011 | 42.8B | | |
Show data table
| 1980 | 41.6B | 1996 | 2.43T | 2012 | 23.75T |
| 1981 | 57.4B | 1997 | 2.93T | 2013 | 25.46T |
| 1982 | 98B | 1998 | 3.52T | 2014 | 28T |
| 1983 | 130B | 1999 | 4.07T | 2015 | 30.17T |
| 1984 | 164B | 2000 | 4.63T | 2016 | 32.06T |
| 1985 | 199B | 2001 | 5.25T | 2017 | 34.34T |
| 1986 | 248B | 2002 | 5.97T | 2018 | 36.1T |
| 1987 | 286B | 2003 | 6.89T | 2019 | 38.03T |
| 1988 | 351B | 2004 | 8.15T | 2020 | 36.74T |
| 1989 | 428B | 2005 | 9.58T | 2021 | 40.72T |
| 1990 | 525B | 2006 | 11.61T | 2022 | 45.95T |
| 1991 | 881B | 2007 | 13.89T | 2023 | 47.61T |
| 1992 | 1.15T | 2008 | 16.21T | 2024 | 49.82T |
| 1993 | 1.36T | 2009 | 17.63T | 2025 | 51.81T |
| 1994 | 1.65T | 2010 | 19.8T | 2026 | 54.23T |
| 1995 | 2.08T | 2011 | 21.62T | | |
Show data table
| 1980 | 9.65T | 1996 | 16.17T | 2012 | 33.3T |
| 1981 | 9.43T | 1997 | 17.06T | 2013 | 34.13T |
| 1982 | 8.75T | 1998 | 18.26T | 2014 | 35.34T |
| 1983 | 9T | 1999 | 19.02T | 2015 | 36.63T |
| 1984 | 9.72T | 2000 | 19.75T | 2016 | 38.17T |
| 1985 | 9.79T | 2001 | 20.43T | 2017 | 39.76T |
| 1986 | 10.33T | 2002 | 21.13T | 2018 | 40.89T |
| 1987 | 10.82T | 2003 | 22.05T | 2019 | 42T |
| 1988 | 11.19T | 2004 | 23.02T | 2020 | 40.26T |
| 1989 | 11.83T | 2005 | 23.94T | 2021 | 43.57T |
| 1990 | 12.25T | 2006 | 25.69T | 2022 | 45.95T |
| 1991 | 12.53T | 2007 | 27.8T | 2023 | 48.15T |
| 1992 | 13.68T | 2008 | 29.12T | 2024 | 50.12T |
| 1993 | 14.66T | 2009 | 28.86T | 2025 | 52.4T |
| 1994 | 15.32T | 2010 | 30.41T | 2026 | 54.27T |
| 1995 | 15.95T | 2011 | 31.75T | | |