Show data table
| 1980 | 231B | 1996 | 642B | 2012 | 1.33T |
| 1981 | 205B | 1997 | 590B | 2013 | 1.36T |
| 1982 | 198B | 1998 | 620B | 2014 | 1.38T |
| 1983 | 173B | 1999 | 635B | 2015 | 1.21T |
| 1984 | 173B | 2000 | 598B | 2016 | 1.24T |
| 1985 | 182B | 2001 | 628B | 2017 | 1.32T |
| 1986 | 252B | 2002 | 708B | 2018 | 1.43T |
| 1987 | 319B | 2003 | 908B | 2019 | 1.4T |
| 1988 | 375B | 2004 | 1.07T | 2020 | 1.29T |
| 1989 | 413B | 2005 | 1.16T | 2021 | 1.46T |
| 1990 | 536B | 2006 | 1.26T | 2022 | 1.45T |
| 1991 | 577B | 2007 | 1.48T | 2023 | 1.62T |
| 1992 | 631B | 2008 | 1.64T | 2024 | 1.73T |
| 1993 | 530B | 2009 | 1.49T | 2025 | 1.9T |
| 1994 | 532B | 2010 | 1.43T | 2026 | 2.09T |
| 1995 | 615B | 2011 | 1.49T | | |
Show data table
| 1980 | 99.3B | 1996 | 489B | 2012 | 1.04T |
| 1981 | 113B | 1997 | 519B | 2013 | 1.03T |
| 1982 | 130B | 1998 | 556B | 2014 | 1.04T |
| 1983 | 148B | 1999 | 595B | 2015 | 1.09T |
| 1984 | 166B | 2000 | 648B | 2016 | 1.12T |
| 1985 | 185B | 2001 | 701B | 2017 | 1.17T |
| 1986 | 211B | 2002 | 750B | 2018 | 1.21T |
| 1987 | 236B | 2003 | 803B | 2019 | 1.25T |
| 1988 | 262B | 2004 | 860B | 2020 | 1.13T |
| 1989 | 294B | 2005 | 928B | 2021 | 1.24T |
| 1990 | 327B | 2006 | 1T | 2022 | 1.38T |
| 1991 | 359B | 2007 | 1.08T | 2023 | 1.5T |
| 1992 | 387B | 2008 | 1.11T | 2024 | 1.59T |
| 1993 | 403B | 2009 | 1.07T | 2025 | 1.69T |
| 1994 | 427B | 2010 | 1.08T | 2026 | 1.77T |
| 1995 | 460B | 2011 | 1.07T | | |
Show data table
| 1980 | 522B | 1996 | 779B | 2012 | 1.1T |
| 1981 | 520B | 1997 | 809B | 2013 | 1.09T |
| 1982 | 526B | 1998 | 845B | 2014 | 1.1T |
| 1983 | 535B | 1999 | 885B | 2015 | 1.15T |
| 1984 | 544B | 2000 | 930B | 2016 | 1.18T |
| 1985 | 557B | 2001 | 966B | 2017 | 1.21T |
| 1986 | 576B | 2002 | 993B | 2018 | 1.24T |
| 1987 | 609B | 2003 | 1.02T | 2019 | 1.27T |
| 1988 | 641B | 2004 | 1.05T | 2020 | 1.13T |
| 1989 | 673B | 2005 | 1.09T | 2021 | 1.2T |
| 1990 | 699B | 2006 | 1.14T | 2022 | 1.28T |
| 1991 | 717B | 2007 | 1.18T | 2023 | 1.31T |
| 1992 | 723B | 2008 | 1.18T | 2024 | 1.36T |
| 1993 | 714B | 2009 | 1.14T | 2025 | 1.4T |
| 1994 | 730B | 2010 | 1.14T | 2026 | 1.43T |
| 1995 | 760B | 2011 | 1.13T | | |