Show data table
| 1980 | 186B | 1996 | 393B | 2012 | 1.82T |
| 1981 | 193B | 1997 | 416B | 2013 | 1.85T |
| 1982 | 200B | 1998 | 421B | 2014 | 2.02T |
| 1983 | 218B | 1999 | 459B | 2015 | 2.08T |
| 1984 | 212B | 2000 | 468B | 2016 | 2.26T |
| 1985 | 234B | 2001 | 485B | 2017 | 2.61T |
| 1986 | 248B | 2002 | 515B | 2018 | 2.65T |
| 1987 | 279B | 2003 | 608B | 2019 | 2.78T |
| 1988 | 294B | 2004 | 709B | 2020 | 2.61T |
| 1989 | 296B | 2005 | 820B | 2021 | 3.08T |
| 1990 | 321B | 2006 | 940B | 2022 | 3.25T |
| 1991 | 270B | 2007 | 1.22T | 2023 | 3.5T |
| 1992 | 288B | 2008 | 1.2T | 2024 | 3.76T |
| 1993 | 279B | 2009 | 1.34T | 2025 | 3.92T |
| 1994 | 327B | 2010 | 1.68T | 2026 | 4.15T |
| 1995 | 360B | 2011 | 1.82T | | |
Show data table
| 1980 | 1.47T | 1996 | 13.95T | 2012 | 99.18T |
| 1981 | 1.73T | 1997 | 15.45T | 2013 | 111.75T |
| 1982 | 1.93T | 1998 | 17.72T | 2014 | 123.7T |
| 1983 | 2.25T | 1999 | 19.88T | 2015 | 136.28T |
| 1984 | 2.52T | 2000 | 21.4T | 2016 | 151.91T |
| 1985 | 2.85T | 2001 | 23.15T | 2017 | 168.22T |
| 1986 | 3.18T | 2002 | 24.93T | 2018 | 185.54T |
| 1987 | 3.62T | 2003 | 27.93T | 2019 | 196.83T |
| 1988 | 4.29T | 2004 | 31.86T | 2020 | 193.87T |
| 1989 | 4.93T | 2005 | 36.32T | 2021 | 229.81T |
| 1990 | 5.76T | 2006 | 42.55T | 2022 | 261.18T |
| 1991 | 6.62T | 2007 | 48.99T | 2023 | 289.84T |
| 1992 | 7.61T | 2008 | 55.14T | 2024 | 318.07T |
| 1993 | 8.76T | 2009 | 63.66T | 2025 | 346.51T |
| 1994 | 10.28T | 2010 | 76.34T | 2026 | 384.53T |
| 1995 | 12.06T | 2011 | 87.36T | | |
Show data table
| 1980 | 23.66T | 1996 | 55.98T | 2012 | 148.85T |
| 1981 | 25.08T | 1997 | 58.25T | 2013 | 158.36T |
| 1982 | 25.95T | 1998 | 61.85T | 2014 | 170.1T |
| 1983 | 27.84T | 1999 | 67.32T | 2015 | 183.7T |
| 1984 | 28.91T | 2000 | 69.91T | 2016 | 198.86T |
| 1985 | 30.43T | 2001 | 73.28T | 2017 | 212.38T |
| 1986 | 31.88T | 2002 | 76.07T | 2018 | 226.08T |
| 1987 | 33.15T | 2003 | 82.05T | 2019 | 234.84T |
| 1988 | 36.34T | 2004 | 88.55T | 2020 | 221.27T |
| 1989 | 38.5T | 2005 | 95.56T | 2021 | 242.71T |
| 1990 | 40.63T | 2006 | 103.27T | 2022 | 261.18T |
| 1991 | 41.06T | 2007 | 111.18T | 2023 | 280.01T |
| 1992 | 43.31T | 2008 | 114.61T | 2024 | 299.89T |
| 1993 | 45.37T | 2009 | 123.62T | 2025 | 322.73T |
| 1994 | 48.39T | 2010 | 134.12T | 2026 | 343.64T |
| 1995 | 52.05T | 2011 | 141.15T | | |