Show data table
| 1980 | 33.4B | 1996 | 183B | 2012 | 398B |
| 1981 | 36B | 1997 | 150B | 2013 | 420B |
| 1982 | 37.8B | 1998 | 114B | 2014 | 407B |
| 1983 | 41.4B | 1999 | 127B | 2015 | 401B |
| 1984 | 43.2B | 2000 | 126B | 2016 | 413B |
| 1985 | 40.2B | 2001 | 120B | 2017 | 456B |
| 1986 | 44.5B | 2002 | 134B | 2018 | 507B |
| 1987 | 52.2B | 2003 | 152B | 2019 | 544B |
| 1988 | 63.7B | 2004 | 173B | 2020 | 500B |
| 1989 | 74.6B | 2005 | 189B | 2021 | 506B |
| 1990 | 88.5B | 2006 | 222B | 2022 | 496B |
| 1991 | 101B | 2007 | 263B | 2023 | 517B |
| 1992 | 116B | 2008 | 291B | 2024 | 529B |
| 1993 | 129B | 2009 | 282B | 2025 | 577B |
| 1994 | 147B | 2010 | 341B | 2026 | 580B |
| 1995 | 169B | 2011 | 371B | | |
Show data table
| 1980 | 684B | 1996 | 4.64T | 2012 | 12.36T |
| 1981 | 786B | 1997 | 4.71T | 2013 | 12.92T |
| 1982 | 869B | 1998 | 4.7T | 2014 | 13.23T |
| 1983 | 951B | 1999 | 4.79T | 2015 | 13.74T |
| 1984 | 1.02T | 2000 | 5.07T | 2016 | 14.59T |
| 1985 | 1.09T | 2001 | 5.35T | 2017 | 15.49T |
| 1986 | 1.17T | 2002 | 5.77T | 2018 | 16.37T |
| 1987 | 1.34T | 2003 | 6.32T | 2019 | 16.89T |
| 1988 | 1.61T | 2004 | 6.95T | 2020 | 15.66T |
| 1989 | 1.92T | 2005 | 7.61T | 2021 | 16.18T |
| 1990 | 2.26T | 2006 | 8.4T | 2022 | 17.38T |
| 1991 | 2.58T | 2007 | 9.08T | 2023 | 17.99T |
| 1992 | 2.94T | 2008 | 9.71T | 2024 | 18.68T |
| 1993 | 3.26T | 2009 | 9.66T | 2025 | 18.97T |
| 1994 | 3.69T | 2010 | 10.81T | 2026 | 19.43T |
| 1995 | 4.22T | 2011 | 11.31T | | |
Show data table
| 1980 | 1.58T | 1996 | 5.36T | 2012 | 8.9T |
| 1981 | 1.67T | 1997 | 5.21T | 2013 | 9.14T |
| 1982 | 1.76T | 1998 | 4.81T | 2014 | 9.23T |
| 1983 | 1.86T | 1999 | 5.03T | 2015 | 9.52T |
| 1984 | 1.97T | 2000 | 5.25T | 2016 | 9.85T |
| 1985 | 2.06T | 2001 | 5.44T | 2017 | 10.26T |
| 1986 | 2.17T | 2002 | 5.77T | 2018 | 10.69T |
| 1987 | 2.38T | 2003 | 6.18T | 2019 | 10.92T |
| 1988 | 2.69T | 2004 | 6.57T | 2020 | 10.25T |
| 1989 | 3.02T | 2005 | 6.85T | 2021 | 10.41T |
| 1990 | 3.37T | 2006 | 7.19T | 2022 | 10.69T |
| 1991 | 3.66T | 2007 | 7.58T | 2023 | 10.93T |
| 1992 | 3.99T | 2008 | 7.71T | 2024 | 11.25T |
| 1993 | 4.34T | 2009 | 7.66T | 2025 | 11.53T |
| 1994 | 4.69T | 2010 | 8.23T | 2026 | 11.7T |
| 1995 | 5.07T | 2011 | 8.3T | | |