Show data table
| 1980 | 140B | 1996 | 292B | 2012 | 550B |
| 1981 | 128B | 1997 | 268B | 2013 | 584B |
| 1982 | 113B | 1998 | 271B | 2014 | 578B |
| 1983 | 104B | 1999 | 274B | 2015 | 502B |
| 1984 | 108B | 2000 | 263B | 2016 | 513B |
| 1985 | 113B | 2001 | 242B | 2017 | 535B |
| 1986 | 149B | 2002 | 267B | 2018 | 550B |
| 1987 | 182B | 2003 | 334B | 2019 | 531B |
| 1988 | 206B | 2004 | 385B | 2020 | 544B |
| 1989 | 217B | 2005 | 392B | 2021 | 632B |
| 1990 | 259B | 2006 | 423B | 2022 | 575B |
| 1991 | 272B | 2007 | 490B | 2023 | 579B |
| 1992 | 282B | 2008 | 515B | 2024 | 605B |
| 1993 | 213B | 2009 | 434B | 2025 | 669B |
| 1994 | 229B | 2010 | 493B | 2026 | 760B |
| 1995 | 267B | 2011 | 571B | | |
Show data table
| 1980 | 593B | 1996 | 1.96T | 2012 | 3.72T |
| 1981 | 648B | 1997 | 2.05T | 2013 | 3.8T |
| 1982 | 709B | 1998 | 2.15T | 2014 | 3.96T |
| 1983 | 795B | 1999 | 2.27T | 2015 | 4.23T |
| 1984 | 893B | 2000 | 2.41T | 2016 | 4.39T |
| 1985 | 972B | 2001 | 2.5T | 2017 | 4.58T |
| 1986 | 1.06T | 2002 | 2.6T | 2018 | 4.78T |
| 1987 | 1.15T | 2003 | 2.7T | 2019 | 5.02T |
| 1988 | 1.26T | 2004 | 2.83T | 2020 | 5.01T |
| 1989 | 1.4T | 2005 | 2.93T | 2021 | 5.42T |
| 1990 | 1.53T | 2006 | 3.12T | 2022 | 5.82T |
| 1991 | 1.64T | 2007 | 3.31T | 2023 | 6.14T |
| 1992 | 1.64T | 2008 | 3.39T | 2024 | 6.39T |
| 1993 | 1.66T | 2009 | 3.32T | 2025 | 6.57T |
| 1994 | 1.76T | 2010 | 3.55T | 2026 | 6.85T |
| 1995 | 1.9T | 2011 | 3.7T | | |
Show data table
| 1980 | 2.55T | 1996 | 3.5T | 2012 | 5.17T |
| 1981 | 2.66T | 1997 | 3.61T | 2013 | 5.23T |
| 1982 | 2.7T | 1998 | 3.77T | 2014 | 5.35T |
| 1983 | 2.75T | 1999 | 3.92T | 2015 | 5.58T |
| 1984 | 2.87T | 2000 | 4.11T | 2016 | 5.7T |
| 1985 | 2.94T | 2001 | 4.16T | 2017 | 5.81T |
| 1986 | 3.03T | 2002 | 4.26T | 2018 | 5.91T |
| 1987 | 3.14T | 2003 | 4.34T | 2019 | 6.07T |
| 1988 | 3.22T | 2004 | 4.52T | 2020 | 5.95T |
| 1989 | 3.3T | 2005 | 4.64T | 2021 | 6.26T |
| 1990 | 3.31T | 2006 | 4.86T | 2022 | 6.34T |
| 1991 | 3.28T | 2007 | 5.02T | 2023 | 6.33T |
| 1992 | 3.24T | 2008 | 4.97T | 2024 | 6.39T |
| 1993 | 3.18T | 2009 | 4.76T | 2025 | 6.49T |
| 1994 | 3.31T | 2010 | 5.03T | 2026 | 6.62T |
| 1995 | 3.45T | 2011 | 5.19T | | |