Show data table
| 1980 | 10.9B | 1996 | 7.89B | 2012 | 39.7B |
| 1981 | 13B | 1997 | 9.34B | 2013 | 45.7B |
| 1982 | 14.9B | 1998 | 11.5B | 2014 | 50B |
| 1983 | 15.3B | 1999 | 11.8B | 2015 | 47.4B |
| 1984 | 13.9B | 2000 | 12.4B | 2016 | 49.8B |
| 1985 | 12.6B | 2001 | 12.6B | 2017 | 54B |
| 1986 | 15.9B | 2002 | 13.1B | 2018 | 54.8B |
| 1987 | 7.82B | 2003 | 14.2B | 2019 | 58.8B |
| 1988 | 7.47B | 2004 | 15.6B | 2020 | 63.4B |
| 1989 | 6.44B | 2005 | 17.2B | 2021 | 68B |
| 1990 | 5.17B | 2006 | 18.9B | 2022 | 74.2B |
| 1991 | 6.02B | 2007 | 21.8B | 2023 | 78.4B |
| 1992 | 5.59B | 2008 | 27.8B | 2024 | 79.2B |
| 1993 | 5.17B | 2009 | 29.3B | 2025 | 87.3B |
| 1994 | 5.48B | 2010 | 31.9B | 2026 | 94.9B |
| 1995 | 6.38B | 2011 | 34.4B | | |
Show data table
| 1980 | 89.3B | 1996 | 4.58T | 2012 | 62.32T |
| 1981 | 107B | 1997 | 5.72T | 2013 | 72.98T |
| 1982 | 129B | 1998 | 7.63T | 2014 | 82.6T |
| 1983 | 149B | 1999 | 8.77T | 2015 | 94.35T |
| 1984 | 176B | 2000 | 9.9T | 2016 | 108.36T |
| 1985 | 224B | 2001 | 11.05T | 2017 | 120.36T |
| 1986 | 296B | 2002 | 12.68T | 2018 | 124T |
| 1987 | 400B | 2003 | 14.7T | 2019 | 134.54T |
| 1988 | 615B | 2004 | 16.97T | 2020 | 145.38T |
| 1989 | 770B | 2005 | 19.39T | 2021 | 156.17T |
| 1990 | 1.01T | 2006 | 23.63T | 2022 | 170.82T |
| 1991 | 1.32T | 2007 | 27.16T | 2023 | 186.75T |
| 1992 | 1.66T | 2008 | 33.24T | 2024 | 205.85T |
| 1993 | 2.1T | 2009 | 38.27T | 2025 | 227.89T |
| 1994 | 2.79T | 2010 | 44.47T | 2026 | 252T |
| 1995 | 3.67T | 2011 | 53.52T | | |
Show data table
| 1980 | 18.39T | 1996 | 30.82T | 2012 | 77.98T |
| 1981 | 18.49T | 1997 | 31.91T | 2013 | 83.27T |
| 1982 | 18.6T | 1998 | 33.09T | 2014 | 88.87T |
| 1983 | 19.04T | 1999 | 34.69T | 2015 | 94.35T |
| 1984 | 19.69T | 2000 | 36.4T | 2016 | 100.83T |
| 1985 | 20.6T | 2001 | 38.59T | 2017 | 107.61T |
| 1986 | 21.96T | 2002 | 41.35T | 2018 | 115.17T |
| 1987 | 23.25T | 2003 | 44.2T | 2019 | 123.14T |
| 1988 | 24.27T | 2004 | 47.66T | 2020 | 128.72T |
| 1989 | 25.2T | 2005 | 51.17T | 2021 | 134.95T |
| 1990 | 26.97T | 2006 | 53.56T | 2022 | 141.25T |
| 1991 | 27.53T | 2007 | 58.09T | 2023 | 148.52T |
| 1992 | 27.69T | 2008 | 61.32T | 2024 | 156.64T |
| 1993 | 28.03T | 2009 | 64.62T | 2025 | 165.84T |
| 1994 | 28.46T | 2010 | 68.73T | 2026 | 175.69T |
| 1995 | 29.48T | 2011 | 74.17T | | |