Tabella dei dati
| 1980 | 16,1% | 1996 | 65,4% | 2012 | 89,6% |
| 1981 | 19,5% | 1997 | 64,3% | 2013 | 100% |
| 1982 | 24,4% | 1998 | 62,4% | 2014 | 104,4% |
| 1983 | 29,5% | 1999 | 60,9% | 2015 | 102,4% |
| 1984 | 36% | 2000 | 57,8% | 2016 | 102% |
| 1985 | 40,9% | 2001 | 54,1% | 2017 | 101,1% |
| 1986 | 42,1% | 2002 | 51,2% | 2018 | 99,7% |
| 1987 | 41,9% | 2003 | 47,7% | 2019 | 97,6% |
| 1988 | 38,5% | 2004 | 45,3% | 2020 | 119,2% |
| 1989 | 39,9% | 2005 | 42,4% | 2021 | 115,6% |
| 1990 | 41,3% | 2006 | 39% | 2022 | 109,2% |
| 1991 | 41,9% | 2007 | 35,7% | 2023 | 105,1% |
| 1992 | 44,1% | 2008 | 39,6% | 2024 | 101,6% |
| 1993 | 54,6% | 2009 | 53,1% | 2025 | 100,4% |
| 1994 | 57% | 2010 | 60,3% | 2026 | 98,2% |
| 1995 | 61,6% | 2011 | 69,5% | | |
Tabella dei dati
| 1980 | 16 mld | 1996 | 320 mld | 2012 | 928 mld |
| 1981 | 22 mld | 1997 | 334 mld | 2013 | 1,03 mila mld |
| 1982 | 31,8 mld | 1998 | 346 mld | 2014 | 1,08 mila mld |
| 1983 | 43,8 mld | 1999 | 362 mld | 2015 | 1,11 mila mld |
| 1984 | 59,9 mld | 2000 | 375 mld | 2016 | 1,15 mila mld |
| 1985 | 75,8 mld | 2001 | 379 mld | 2017 | 1,18 mila mld |
| 1986 | 89 mld | 2002 | 384 mld | 2018 | 1,21 mila mld |
| 1987 | 98,9 mld | 2003 | 383 mld | 2019 | 1,22 mila mld |
| 1988 | 101 mld | 2004 | 390 mld | 2020 | 1,35 mila mld |
| 1989 | 117 mld | 2005 | 393 mld | 2021 | 1,43 mila mld |
| 1990 | 135 mld | 2006 | 392 mld | 2022 | 1,5 mila mld |
| 1991 | 150 mld | 2007 | 385 mld | 2023 | 1,57 mila mld |
| 1992 | 171 mld | 2008 | 441 mld | 2024 | 1,62 mila mld |
| 1993 | 220 mld | 2009 | 570 mld | 2025 | 1,69 mila mld |
| 1994 | 244 mld | 2010 | 649 mld | 2026 | 1,74 mila mld |
| 1995 | 283 mld | 2011 | 743 mld | | |
Tabella dei dati
| 1985 | 23,6% | 1999 | 51,2% | 2013 | 81,3% |
| 1986 | 26,5% | 2000 | 47,2% | 2014 | 85,7% |
| 1987 | 27% | 2001 | 44,4% | 2015 | 85,3% |
| 1988 | 27,6% | 2002 | 41% | 2016 | 86,4% |
| 1989 | 27,2% | 2003 | 38,5% | 2017 | 85,6% |
| 1990 | 27,9% | 2004 | 35,8% | 2018 | 84,2% |
| 1991 | 29,2% | 2005 | 31,8% | 2019 | 83,1% |
| 1992 | 31,6% | 2006 | 26,8% | 2020 | 102% |
| 1993 | 36,3% | 2007 | 22,4% | 2021 | 97,4% |
| 1994 | 41,6% | 2008 | 25,3% | 2022 | 92,1% |
| 1995 | 52,5% | 2009 | 36,5% | 2023 | 89,6% |
| 1996 | 56% | 2010 | 45,8% | 2024 | 87,2% |
| 1997 | 56% | 2011 | 56,1% | 2025 | 85% |
| 1998 | 53,7% | 2012 | 72,1% | 2026 | 82,8% |
Tabella dei dati
| 1985 | 43,7 mld | 1999 | 305 mld | 2013 | 834 mld |
| 1986 | 56 mld | 2000 | 306 mld | 2014 | 890 mld |
| 1987 | 63,8 mld | 2001 | 311 mld | 2015 | 927 mld |
| 1988 | 72,3 mld | 2002 | 307 mld | 2016 | 970 mld |
| 1989 | 79,8 mld | 2003 | 309 mld | 2017 | 1 mila mld |
| 1990 | 91,4 mld | 2004 | 308 mld | 2018 | 1,02 mila mld |
| 1991 | 105 mld | 2005 | 295 mld | 2019 | 1,04 mila mld |
| 1992 | 122 mld | 2006 | 269 mld | 2020 | 1,15 mila mld |
| 1993 | 146 mld | 2007 | 241 mld | 2021 | 1,2 mila mld |
| 1994 | 178 mld | 2008 | 282 mld | 2022 | 1,27 mila mld |
| 1995 | 241 mld | 2009 | 391 mld | 2023 | 1,34 mila mld |
| 1996 | 274 mld | 2010 | 493 mld | 2024 | 1,39 mila mld |
| 1997 | 291 mld | 2011 | 600 mld | 2025 | 1,43 mila mld |
| 1998 | 298 mld | 2012 | 747 mld | 2026 | 1,47 mila mld |