Show data table
| 1980 | 21.4B | 1996 | 75.9B | 2012 | 227B |
| 1981 | 20.4B | 1997 | 83B | 2013 | 243B |
| 1982 | 21.3B | 1998 | 90.3B | 2014 | 267B |
| 1983 | 20.6B | 1999 | 99B | 2015 | 302B |
| 1984 | 19.9B | 2000 | 100B | 2016 | 305B |
| 1985 | 21.2B | 2001 | 109B | 2017 | 348B |
| 1986 | 28.5B | 2002 | 129B | 2018 | 396B |
| 1987 | 33.7B | 2003 | 165B | 2019 | 407B |
| 1988 | 36.9B | 2004 | 194B | 2020 | 436B |
| 1989 | 38B | 2005 | 212B | 2021 | 531B |
| 1990 | 48.2B | 2006 | 232B | 2022 | 549B |
| 1991 | 48.8B | 2007 | 270B | 2023 | 568B |
| 1992 | 54.9B | 2008 | 275B | 2024 | 609B |
| 1993 | 51.4B | 2009 | 236B | 2025 | 718B |
| 1994 | 55.8B | 2010 | 222B | 2026 | 779B |
| 1995 | 69.3B | 2011 | 241B | | |
Show data table
| 1980 | 13.2B | 1996 | 60.2B | 2012 | 177B |
| 1981 | 16B | 1997 | 69.4B | 2013 | 183B |
| 1982 | 19B | 1998 | 80.4B | 2014 | 201B |
| 1983 | 21B | 1999 | 92.8B | 2015 | 272B |
| 1984 | 23.2B | 2000 | 108B | 2016 | 276B |
| 1985 | 25.2B | 2001 | 122B | 2017 | 308B |
| 1986 | 26.9B | 2002 | 136B | 2018 | 335B |
| 1987 | 28.7B | 2003 | 146B | 2019 | 364B |
| 1988 | 30.7B | 2004 | 156B | 2020 | 382B |
| 1989 | 34B | 2005 | 170B | 2021 | 448B |
| 1990 | 36.9B | 2006 | 185B | 2022 | 521B |
| 1991 | 38.4B | 2007 | 197B | 2023 | 525B |
| 1992 | 40.9B | 2008 | 187B | 2024 | 563B |
| 1993 | 44B | 2009 | 170B | 2025 | 636B |
| 1994 | 47.3B | 2010 | 167B | 2026 | 661B |
| 1995 | 54.8B | 2011 | 173B | | |
Show data table
| 1980 | 65B | 1996 | 118B | 2012 | 229B |
| 1981 | 66.7B | 1997 | 130B | 2013 | 234B |
| 1982 | 67.7B | 1998 | 142B | 2014 | 256B |
| 1983 | 67.2B | 1999 | 156B | 2015 | 319B |
| 1984 | 69.3B | 2000 | 171B | 2016 | 323B |
| 1985 | 70.7B | 2001 | 180B | 2017 | 356B |
| 1986 | 71B | 2002 | 191B | 2018 | 383B |
| 1987 | 73.6B | 2003 | 197B | 2019 | 402B |
| 1988 | 75.8B | 2004 | 210B | 2020 | 431B |
| 1989 | 80B | 2005 | 222B | 2021 | 501B |
| 1990 | 86.2B | 2006 | 233B | 2022 | 538B |
| 1991 | 87.6B | 2007 | 246B | 2023 | 525B |
| 1992 | 90.7B | 2008 | 235B | 2024 | 538B |
| 1993 | 92.8B | 2009 | 223B | 2025 | 605B |
| 1994 | 98.3B | 2010 | 226B | 2026 | 620B |
| 1995 | 108B | 2011 | 230B | | |