Show data table
| 1980 | 37.1B | 1996 | 94.7B | 2012 | 262B |
| 1981 | 40.7B | 1997 | 94.1B | 2013 | 284B |
| 1982 | 42.4B | 1998 | 74.5B | 2014 | 297B |
| 1983 | 38B | 1999 | 85.6B | 2015 | 306B |
| 1984 | 35.9B | 2000 | 83.7B | 2016 | 319B |
| 1985 | 35B | 2001 | 78.9B | 2017 | 328B |
| 1986 | 34.1B | 2002 | 84.3B | 2018 | 347B |
| 1987 | 37.9B | 2003 | 87B | 2019 | 377B |
| 1988 | 43.3B | 2004 | 95B | 2020 | 362B |
| 1989 | 48.7B | 2005 | 107B | 2021 | 394B |
| 1990 | 50.5B | 2006 | 128B | 2022 | 404B |
| 1991 | 51.8B | 2007 | 156B | 2023 | 437B |
| 1992 | 60.4B | 2008 | 181B | 2024 | 462B |
| 1993 | 62B | 2009 | 176B | 2025 | 487B |
| 1994 | 73.2B | 2010 | 208B | 2026 | 512B |
| 1995 | 84.6B | 2011 | 234B | | |
Show data table
| 1980 | 279B | 1996 | 2.48T | 2012 | 11.06T |
| 1981 | 322B | 1997 | 2.77T | 2013 | 12.05T |
| 1982 | 362B | 1998 | 3.05T | 2014 | 13.21T |
| 1983 | 422B | 1999 | 3.35T | 2015 | 13.94T |
| 1984 | 599B | 2000 | 3.7T | 2016 | 15.13T |
| 1985 | 654B | 2001 | 4.02T | 2017 | 16.56T |
| 1986 | 696B | 2002 | 4.35T | 2018 | 18.27T |
| 1987 | 780B | 2003 | 4.72T | 2019 | 19.52T |
| 1988 | 913B | 2004 | 5.32T | 2020 | 17.95T |
| 1989 | 1.06T | 2005 | 5.92T | 2021 | 19.41T |
| 1990 | 1.23T | 2006 | 6.55T | 2022 | 22.03T |
| 1991 | 1.42T | 2007 | 7.2T | 2023 | 24.31T |
| 1992 | 1.54T | 2008 | 8.05T | 2024 | 26.45T |
| 1993 | 1.68T | 2009 | 8.39T | 2025 | 28.01T |
| 1994 | 1.93T | 2010 | 9.4T | 2026 | 30.22T |
| 1995 | 2.18T | 2011 | 10.14T | | |
Show data table
| 1980 | 4.43T | 1996 | 6.19T | 2012 | 12.42T |
| 1981 | 4.58T | 1997 | 6.51T | 2013 | 13.25T |
| 1982 | 4.75T | 1998 | 6.48T | 2014 | 14.1T |
| 1983 | 4.84T | 1999 | 6.69T | 2015 | 14.99T |
| 1984 | 4.49T | 2000 | 6.99T | 2016 | 16.06T |
| 1985 | 4.16T | 2001 | 7.2T | 2017 | 17.18T |
| 1986 | 4.3T | 2002 | 7.47T | 2018 | 18.27T |
| 1987 | 4.49T | 2003 | 7.85T | 2019 | 19.38T |
| 1988 | 4.79T | 2004 | 8.36T | 2020 | 17.54T |
| 1989 | 5.09T | 2005 | 8.77T | 2021 | 18.54T |
| 1990 | 5.24T | 2006 | 9.24T | 2022 | 19.95T |
| 1991 | 5.22T | 2007 | 9.84T | 2023 | 21.05T |
| 1992 | 5.24T | 2008 | 10.27T | 2024 | 22.24T |
| 1993 | 5.35T | 2009 | 10.42T | 2025 | 23.22T |
| 1994 | 5.59T | 2010 | 11.18T | 2026 | 24.17T |
| 1995 | 5.85T | 2011 | 11.62T | | |