Tabella dei dati
| 1980 | 42,5% | 1996 | 43,5% | 2012 | 84,1% |
| 1981 | 44,7% | 1997 | 43,9% | 2013 | 84,9% |
| 1982 | 42,9% | 1998 | 41,8% | 2014 | 86,5% |
| 1983 | 41,8% | 1999 | 40,3% | 2015 | 87,3% |
| 1984 | 42,1% | 2000 | 37,5% | 2016 | 87,3% |
| 1985 | 41,2% | 2001 | 34,8% | 2017 | 86,1% |
| 1986 | 41,2% | 2002 | 35,3% | 2018 | 85,6% |
| 1987 | 39,2% | 2003 | 36,6% | 2019 | 84,9% |
| 1988 | 37% | 2004 | 39,7% | 2020 | 104,8% |
| 1989 | 32,4% | 2005 | 40,9% | 2021 | 103,4% |
| 1990 | 28,4% | 2006 | 41,9% | 2022 | 97,5% |
| 1991 | 28,4% | 2007 | 43% | 2023 | 98,9% |
| 1992 | 33,1% | 2008 | 50,6% | 2024 | 99,9% |
| 1993 | 37,8% | 2009 | 64,5% | 2025 | 102,3% |
| 1994 | 40,6% | 2010 | 75,5% | 2026 | 103,6% |
| 1995 | 43,5% | 2011 | 81,1% | | |
Tabella dei dati
| 1980 | 111 mld | 1996 | 398 mld | 2012 | 1,45 mila mld |
| 1981 | 130 mld | 1997 | 421 mld | 2013 | 1,52 mila mld |
| 1982 | 137 mld | 1998 | 419 mld | 2014 | 1,62 mila mld |
| 1983 | 147 mld | 1999 | 422 mld | 2015 | 1,68 mila mld |
| 1984 | 160 mld | 2000 | 415 mld | 2016 | 1,75 mila mld |
| 1985 | 171 mld | 2001 | 401 mld | 2017 | 1,81 mila mld |
| 1986 | 184 mld | 2002 | 422 mld | 2018 | 1,86 mila mld |
| 1987 | 195 mld | 2003 | 463 mld | 2019 | 1,91 mila mld |
| 1988 | 206 mld | 2004 | 526 mld | 2020 | 2,23 mila mld |
| 1989 | 200 mld | 2005 | 573 mld | 2021 | 2,4 mila mld |
| 1990 | 191 mld | 2006 | 619 mld | 2022 | 2,52 mila mld |
| 1991 | 201 mld | 2007 | 667 mld | 2023 | 2,72 mila mld |
| 1992 | 243 mld | 2008 | 810 mld | 2024 | 2,89 mila mld |
| 1993 | 292 mld | 2009 | 1,01 mila mld | 2025 | 3,11 mila mld |
| 1994 | 330 mld | 2010 | 1,22 mila mld | 2026 | 3,25 mila mld |
| 1995 | 372 mld | 2011 | 1,35 mila mld | | |
Tabella dei dati
| 1980 | 41,8% | 1996 | 43,1% | 2012 | 75,7% |
| 1981 | 44% | 1997 | 40,1% | 2013 | 76,7% |
| 1982 | 43,8% | 1998 | 38,1% | 2014 | 78,4% |
| 1983 | 42,3% | 1999 | 36,9% | 2015 | 78,9% |
| 1984 | 42,8% | 2000 | 31,6% | 2016 | 78,3% |
| 1985 | 42,5% | 2001 | 30,4% | 2017 | 76,7% |
| 1986 | 41,4% | 2002 | 31,2% | 2018 | 75,9% |
| 1987 | 38,5% | 2003 | 32,9% | 2019 | 75,1% |
| 1988 | 34,7% | 2004 | 35,8% | 2020 | 92,2% |
| 1989 | 29,3% | 2005 | 37% | 2021 | 90,2% |
| 1990 | 26,1% | 2006 | 37,5% | 2022 | 87,9% |
| 1991 | 25,1% | 2007 | 37,9% | 2023 | 90,4% |
| 1992 | 26,6% | 2008 | 44,8% | 2024 | 92,4% |
| 1993 | 31% | 2009 | 57,8% | 2025 | 93,8% |
| 1994 | 36,1% | 2010 | 68,5% | 2026 | 95,5% |
| 1995 | 40,1% | 2011 | 72,9% | | |
Tabella dei dati
| 1980 | 109 mld | 1996 | 393 mld | 2012 | 1,3 mila mld |
| 1981 | 128 mld | 1997 | 384 mld | 2013 | 1,37 mila mld |
| 1982 | 140 mld | 1998 | 383 mld | 2014 | 1,47 mila mld |
| 1983 | 149 mld | 1999 | 387 mld | 2015 | 1,52 mila mld |
| 1984 | 162 mld | 2000 | 350 mld | 2016 | 1,57 mila mld |
| 1985 | 177 mld | 2001 | 350 mld | 2017 | 1,61 mila mld |
| 1986 | 185 mld | 2002 | 373 mld | 2018 | 1,65 mila mld |
| 1987 | 192 mld | 2003 | 415 mld | 2019 | 1,69 mila mld |
| 1988 | 194 mld | 2004 | 475 mld | 2020 | 1,96 mila mld |
| 1989 | 180 mld | 2005 | 519 mld | 2021 | 2,09 mila mld |
| 1990 | 175 mld | 2006 | 555 mld | 2022 | 2,27 mila mld |
| 1991 | 178 mld | 2007 | 588 mld | 2023 | 2,49 mila mld |
| 1992 | 195 mld | 2008 | 717 mld | 2024 | 2,67 mila mld |
| 1993 | 239 mld | 2009 | 902 mld | 2025 | 2,85 mila mld |
| 1994 | 294 mld | 2010 | 1,11 mila mld | 2026 | 3 mila mld |
| 1995 | 343 mld | 2011 | 1,22 mila mld | | |