Show data table
| 1980 | 12.1B | 1996 | 96.3B | 2012 | 295B |
| 1981 | 14.4B | 1997 | 100B | 2013 | 308B |
| 1982 | 15.9B | 1998 | 85.7B | 2014 | 315B |
| 1983 | 18B | 1999 | 86.3B | 2015 | 308B |
| 1984 | 19.6B | 2000 | 96.1B | 2016 | 321B |
| 1985 | 18.6B | 2001 | 89.8B | 2017 | 345B |
| 1986 | 18.8B | 2002 | 92.5B | 2018 | 378B |
| 1987 | 21.6B | 2003 | 97.6B | 2019 | 377B |
| 1988 | 26.6B | 2004 | 115B | 2020 | 351B |
| 1989 | 31.4B | 2005 | 128B | 2021 | 441B |
| 1990 | 38.9B | 2006 | 149B | 2022 | 514B |
| 1991 | 45.5B | 2007 | 181B | 2023 | 511B |
| 1992 | 52.1B | 2008 | 194B | 2024 | 573B |
| 1993 | 60.6B | 2009 | 194B | 2025 | 604B |
| 1994 | 73.7B | 2010 | 240B | 2026 | 660B |
| 1995 | 87.8B | 2011 | 279B | | |
Show data table
| 1980 | 25.9B | 1996 | 136B | 2012 | 369B |
| 1981 | 30.4B | 1997 | 149B | 2013 | 385B |
| 1982 | 34B | 1998 | 143B | 2014 | 399B |
| 1983 | 38.1B | 1999 | 146B | 2015 | 423B |
| 1984 | 41.7B | 2000 | 166B | 2016 | 443B |
| 1985 | 40.9B | 2001 | 161B | 2017 | 476B |
| 1986 | 40.9B | 2002 | 166B | 2018 | 510B |
| 1987 | 45.6B | 2003 | 170B | 2019 | 514B |
| 1988 | 53.4B | 2004 | 194B | 2020 | 485B |
| 1989 | 61.3B | 2005 | 213B | 2021 | 593B |
| 1990 | 70.5B | 2006 | 236B | 2022 | 709B |
| 1991 | 78.5B | 2007 | 273B | 2023 | 686B |
| 1992 | 84.9B | 2008 | 274B | 2024 | 765B |
| 1993 | 97.9B | 2009 | 282B | 2025 | 790B |
| 1994 | 113B | 2010 | 327B | 2026 | 836B |
| 1995 | 124B | 2011 | 351B | | |
Show data table
| 1980 | 46.3B | 1996 | 158B | 2012 | 377B |
| 1981 | 51.3B | 1997 | 171B | 2013 | 396B |
| 1982 | 55B | 1998 | 168B | 2014 | 411B |
| 1983 | 59.7B | 1999 | 177B | 2015 | 423B |
| 1984 | 64.9B | 2000 | 193B | 2016 | 440B |
| 1985 | 64.5B | 2001 | 191B | 2017 | 459B |
| 1986 | 65.4B | 2002 | 199B | 2018 | 474B |
| 1987 | 72.4B | 2003 | 208B | 2019 | 479B |
| 1988 | 80.6B | 2004 | 228B | 2020 | 462B |
| 1989 | 88.8B | 2005 | 245B | 2021 | 509B |
| 1990 | 97.5B | 2006 | 267B | 2022 | 529B |
| 1991 | 104B | 2007 | 291B | 2023 | 537B |
| 1992 | 111B | 2008 | 297B | 2024 | 565B |
| 1993 | 124B | 2009 | 297B | 2025 | 594B |
| 1994 | 137B | 2010 | 340B | 2026 | 615B |
| 1995 | 147B | 2011 | 361B | | |