Show data table
| 1980 | 480B | 1996 | 1.32T | 2012 | 2.1T |
| 1981 | 435B | 1997 | 1.25T | 2013 | 2.15T |
| 1982 | 430B | 1998 | 1.27T | 2014 | 2.17T |
| 1983 | 446B | 1999 | 1.26T | 2015 | 1.85T |
| 1984 | 441B | 2000 | 1.15T | 2016 | 1.89T |
| 1985 | 455B | 2001 | 1.17T | 2017 | 1.97T |
| 1986 | 645B | 2002 | 1.28T | 2018 | 2.1T |
| 1987 | 810B | 2003 | 1.58T | 2019 | 2.02T |
| 1988 | 897B | 2004 | 1.81T | 2020 | 1.91T |
| 1989 | 933B | 2005 | 1.87T | 2021 | 2.18T |
| 1990 | 1.16T | 2006 | 1.96T | 2022 | 2.11T |
| 1991 | 1.23T | 2007 | 2.22T | 2023 | 2.32T |
| 1992 | 1.31T | 2008 | 2.42T | 2024 | 2.38T |
| 1993 | 1.05T | 2009 | 2.21T | 2025 | 2.55T |
| 1994 | 1.08T | 2010 | 2.15T | 2026 | 2.74T |
| 1995 | 1.18T | 2011 | 2.31T | | |
Show data table
| 1980 | 212B | 1996 | 1.05T | 2012 | 1.63T |
| 1981 | 254B | 1997 | 1.1T | 2013 | 1.62T |
| 1982 | 300B | 1998 | 1.14T | 2014 | 1.64T |
| 1983 | 349B | 1999 | 1.18T | 2015 | 1.66T |
| 1984 | 399B | 2000 | 1.24T | 2016 | 1.7T |
| 1985 | 448B | 2001 | 1.31T | 2017 | 1.74T |
| 1986 | 495B | 2002 | 1.36T | 2018 | 1.78T |
| 1987 | 541B | 2003 | 1.4T | 2019 | 1.8T |
| 1988 | 602B | 2004 | 1.46T | 2020 | 1.67T |
| 1989 | 661B | 2005 | 1.5T | 2021 | 1.84T |
| 1990 | 719B | 2006 | 1.56T | 2022 | 2T |
| 1991 | 786B | 2007 | 1.62T | 2023 | 2.14T |
| 1992 | 827B | 2008 | 1.64T | 2024 | 2.2T |
| 1993 | 852B | 2009 | 1.58T | 2025 | 2.26T |
| 1994 | 901B | 2010 | 1.62T | 2026 | 2.32T |
| 1995 | 991B | 2011 | 1.66T | | |
Show data table
| 1980 | 1.13T | 1996 | 1.62T | 2012 | 1.78T |
| 1981 | 1.19T | 1997 | 1.65T | 2013 | 1.74T |
| 1982 | 1.19T | 1998 | 1.68T | 2014 | 1.74T |
| 1983 | 1.21T | 1999 | 1.7T | 2015 | 1.76T |
| 1984 | 1.24T | 2000 | 1.77T | 2016 | 1.78T |
| 1985 | 1.28T | 2001 | 1.81T | 2017 | 1.81T |
| 1986 | 1.32T | 2002 | 1.81T | 2018 | 1.82T |
| 1987 | 1.36T | 2003 | 1.81T | 2019 | 1.83T |
| 1988 | 1.41T | 2004 | 1.84T | 2020 | 1.67T |
| 1989 | 1.46T | 2005 | 1.85T | 2021 | 1.82T |
| 1990 | 1.49T | 2006 | 1.89T | 2022 | 1.91T |
| 1991 | 1.51T | 2007 | 1.91T | 2023 | 1.92T |
| 1992 | 1.53T | 2008 | 1.89T | 2024 | 1.94T |
| 1993 | 1.51T | 2009 | 1.79T | 2025 | 1.95T |
| 1994 | 1.55T | 2010 | 1.82T | 2026 | 1.96T |
| 1995 | 1.59T | 2011 | 1.83T | | |