Tabella dei dati
| 1980 | 5,1% | 1996 | 7,8% | 2012 | 9,1% |
| 1981 | 5,1% | 1997 | 7,9% | 2013 | 9,2% |
| 1982 | 4,9% | 1998 | 7,6% | 2014 | 9,1% |
| 1983 | 4,8% | 1999 | 7,3% | 2015 | 8,2% |
| 1984 | 4,8% | 2000 | 7,3% | 2016 | 8,4% |
| 1985 | 5,1% | 2001 | 7,3% | 2017 | 8,1% |
| 1986 | 5,2% | 2002 | 8,1% | 2018 | 8,9% |
| 1987 | 5,1% | 2003 | 8,2% | 2019 | 8,1% |
| 1988 | 5,2% | 2004 | 7,7% | 2020 | 8,5% |
| 1989 | 5,3% | 2005 | 7,9% | 2021 | 9,4% |
| 1990 | 9% | 2006 | 8% | 2022 | 8,5% |
| 1991 | 9,3% | 2007 | 7,8% | 2023 | 8,2% |
| 1992 | 9,2% | 2008 | 8,2% | 2024 | 8,3% |
| 1993 | 10,2% | 2009 | 7,9% | 2025 | 7,9% |
| 1994 | 10,1% | 2010 | 8,4% | 2026 | 7,8% |
| 1995 | 10,1% | 2011 | 8,6% | | |
Tabella dei dati
| 1980 | 19,4 mld | 1996 | 177 mld | 2012 | 1,16 mila mld |
| 1981 | 22,5 mld | 1997 | 196 mld | 2013 | 1,33 mila mld |
| 1982 | 24,4 mld | 1998 | 207 mld | 2014 | 1,47 mila mld |
| 1983 | 27 mld | 1999 | 216 mld | 2015 | 1,49 mila mld |
| 1984 | 32,3 mld | 2000 | 234 mld | 2016 | 1,75 mila mld |
| 1985 | 39,1 mld | 2001 | 254 mld | 2017 | 1,88 mila mld |
| 1986 | 45,1 mld | 2002 | 303 mld | 2018 | 2,34 mila mld |
| 1987 | 50,7 mld | 2003 | 342 mld | 2019 | 2,4 mila mld |
| 1988 | 56,7 mld | 2004 | 352 mld | 2020 | 2,68 mila mld |
| 1989 | 64,5 mld | 2005 | 402 mld | 2021 | 3,3 mila mld |
| 1990 | 123 mld | 2006 | 461 mld | 2022 | 3,38 mila mld |
| 1991 | 141 mld | 2007 | 511 mld | 2023 | 3,7 mila mld |
| 1992 | 150 mld | 2008 | 616 mld | 2024 | 4,17 mila mld |
| 1993 | 174 mld | 2009 | 667 mld | 2025 | 4,38 mila mld |
| 1994 | 187 mld | 2010 | 799 mld | 2026 | 4,93 mila mld |
| 1995 | 210 mld | 2011 | 940 mld | | |
Tabella dei dati
| 1980 | 11% | 1996 | 9,8% | 2012 | 11,7% |
| 1981 | 10,3% | 1997 | 9,9% | 2013 | 12,1% |
| 1982 | 10,6% | 1998 | 9,8% | 2014 | 11,7% |
| 1983 | 10,6% | 1999 | 8,7% | 2015 | 11,5% |
| 1984 | 9,4% | 2000 | 9,8% | 2016 | 11,6% |
| 1985 | 9,3% | 2001 | 10,7% | 2017 | 12,2% |
| 1986 | 9,8% | 2002 | 10,4% | 2018 | 13% |
| 1987 | 9,5% | 2003 | 10,2% | 2019 | 13,6% |
| 1988 | 9,3% | 2004 | 9,9% | 2020 | 13,3% |
| 1989 | 9,6% | 2005 | 10,3% | 2021 | 12,9% |
| 1990 | 9,1% | 2006 | 10,1% | 2022 | 13% |
| 1991 | 8,9% | 2007 | 9,6% | 2023 | 12,6% |
| 1992 | 8,8% | 2008 | 11,5% | 2024 | 12% |
| 1993 | 9,7% | 2009 | 10,6% | 2025 | 10,9% |
| 1994 | 10% | 2010 | 10,6% | 2026 | 12,1% |
| 1995 | 10,5% | 2011 | 11,5% | | |
Tabella dei dati
| 1980 | 42,2 mld | 1996 | 223 mld | 2012 | 1,48 mila mld |
| 1981 | 45,4 mld | 1997 | 244 mld | 2013 | 1,74 mila mld |
| 1982 | 52,4 mld | 1998 | 267 mld | 2014 | 1,89 mila mld |
| 1983 | 59,2 mld | 1999 | 256 mld | 2015 | 2,09 mila mld |
| 1984 | 63,3 mld | 2000 | 314 mld | 2016 | 2,41 mila mld |
| 1985 | 71,7 mld | 2001 | 374 mld | 2017 | 2,84 mila mld |
| 1986 | 85,2 mld | 2002 | 390 mld | 2018 | 3,42 mila mld |
| 1987 | 94,5 mld | 2003 | 424 mld | 2019 | 4 mila mld |
| 1988 | 102 mld | 2004 | 454 mld | 2020 | 4,22 mila mld |
| 1989 | 117 mld | 2005 | 525 mld | 2021 | 4,56 mila mld |
| 1990 | 125 mld | 2006 | 585 mld | 2022 | 5,18 mila mld |
| 1991 | 134 mld | 2007 | 634 mld | 2023 | 5,67 mila mld |
| 1992 | 144 mld | 2008 | 869 mld | 2024 | 6,02 mila mld |
| 1993 | 167 mld | 2009 | 893 mld | 2025 | 6 mila mld |
| 1994 | 186 mld | 2010 | 1,01 mila mld | 2026 | 7,63 mila mld |
| 1995 | 218 mld | 2011 | 1,27 mila mld | | |