Show data table
| 1980 | 7.72B | 1996 | 15B | 2012 | 49.9B |
| 1981 | 8.43B | 1997 | 17B | 2013 | 53B |
| 1982 | 8.54B | 1998 | 18.5B | 2014 | 57.8B |
| 1983 | 8.86B | 1999 | 17.4B | 2015 | 62.2B |
| 1984 | 9.28B | 2000 | 18.1B | 2016 | 66B |
| 1985 | 11B | 2001 | 19.7B | 2017 | 71.6B |
| 1986 | 5.92B | 2002 | 21.9B | 2018 | 73.3B |
| 1987 | 6.86B | 2003 | 23.1B | 2019 | 77.2B |
| 1988 | 7.43B | 2004 | 25B | 2020 | 77.7B |
| 1989 | 8.56B | 2005 | 28.2B | 2021 | 86.4B |
| 1990 | 7.54B | 2006 | 31.3B | 2022 | 95.6B |
| 1991 | 9.17B | 2007 | 35B | 2023 | 104B |
| 1992 | 10.1B | 2008 | 40.2B | 2024 | 113B |
| 1993 | 11B | 2009 | 38B | 2025 | 121B |
| 1994 | 12.5B | 2010 | 41.5B | 2026 | 129B |
| 1995 | 14.1B | 2011 | 47.4B | | |
Show data table
| 1980 | 7.72B | 1996 | 91.3B | 2012 | 391B |
| 1981 | 8.43B | 1997 | 103B | 2013 | 416B |
| 1982 | 8.54B | 1998 | 118B | 2014 | 447B |
| 1983 | 8.86B | 1999 | 128B | 2015 | 476B |
| 1984 | 9.28B | 2000 | 141B | 2016 | 502B |
| 1985 | 11B | 2001 | 155B | 2017 | 527B |
| 1986 | 15.5B | 2002 | 171B | 2018 | 551B |
| 1987 | 17.3B | 2003 | 183B | 2019 | 594B |
| 1988 | 20.1B | 2004 | 199B | 2020 | 600B |
| 1989 | 23.2B | 2005 | 215B | 2021 | 669B |
| 1990 | 33.6B | 2006 | 238B | 2022 | 741B |
| 1991 | 46.1B | 2007 | 269B | 2023 | 817B |
| 1992 | 52.5B | 2008 | 304B | 2024 | 878B |
| 1993 | 62.2B | 2009 | 310B | 2025 | 930B |
| 1994 | 71.9B | 2010 | 334B | 2026 | 988B |
| 1995 | 81.6B | 2011 | 369B | | |
Show data table
| 1980 | 171B | 1996 | 231B | 2012 | 402B |
| 1981 | 172B | 1997 | 241B | 2013 | 416B |
| 1982 | 166B | 1998 | 252B | 2014 | 435B |
| 1983 | 162B | 1999 | 261B | 2015 | 453B |
| 1984 | 163B | 2000 | 268B | 2016 | 465B |
| 1985 | 162B | 2001 | 276B | 2017 | 479B |
| 1986 | 162B | 2002 | 286B | 2018 | 495B |
| 1987 | 168B | 2003 | 294B | 2019 | 515B |
| 1988 | 174B | 2004 | 303B | 2020 | 506B |
| 1989 | 181B | 2005 | 313B | 2021 | 547B |
| 1990 | 187B | 2006 | 330B | 2022 | 570B |
| 1991 | 192B | 2007 | 351B | 2023 | 590B |
| 1992 | 201B | 2008 | 362B | 2024 | 611B |
| 1993 | 208B | 2009 | 364B | 2025 | 637B |
| 1994 | 215B | 2010 | 374B | 2026 | 662B |
| 1995 | 225B | 2011 | 390B | | |