Tabella dei dati
| 1980 | 15% | 1996 | 19,3% | 2012 | 17% |
| 1981 | 13,4% | 1997 | 21,1% | 2013 | 15,9% |
| 1982 | 14,7% | 1998 | 22,2% | 2014 | 16,9% |
| 1983 | 13,3% | 1999 | 21,9% | 2015 | 17,5% |
| 1984 | 12,6% | 2000 | 19,1% | 2016 | 17,3% |
| 1985 | 12,2% | 2001 | 19,1% | 2017 | 17,6% |
| 1986 | 12,3% | 2002 | 15,7% | 2018 | 17,5% |
| 1987 | 12,8% | 2003 | 14,5% | 2019 | 17,7% |
| 1988 | 12,8% | 2004 | 15,3% | 2020 | 16,9% |
| 1989 | 17,3% | 2005 | 14,8% | 2021 | 17,1% |
| 1990 | 18,1% | 2006 | 15% | 2022 | 17,6% |
| 1991 | 14,8% | 2007 | 14,4% | 2023 | 17,7% |
| 1992 | 16,1% | 2008 | 14,1% | 2024 | 18,8% |
| 1993 | 17,2% | 2009 | 14,8% | 2025 | 17,9% |
| 1994 | 19,1% | 2010 | 14,9% | 2026 | 17,9% |
| 1995 | 18,5% | 2011 | 16% | | |
Tabella dei dati
| 1980 | 77,5 mld | 1996 | 3,9 mila mld | 2012 | 25,03 mila mld |
| 1981 | 88,4 mld | 1997 | 4,57 mila mld | 2013 | 26,48 mila mld |
| 1982 | 101 mld | 1998 | 5,61 mila mld | 2014 | 30,38 mila mld |
| 1983 | 102 mld | 1999 | 6,03 mila mld | 2015 | 33,06 mila mld |
| 1984 | 125 mld | 2000 | 5,89 mila mld | 2016 | 35,46 mila mld |
| 1985 | 158 mld | 2001 | 6,67 mila mld | 2017 | 38,61 mila mld |
| 1986 | 210 mld | 2002 | 6,48 mila mld | 2018 | 40,29 mila mld |
| 1987 | 297 mld | 2003 | 7,18 mila mld | 2019 | 41,84 mila mld |
| 1988 | 392 mld | 2004 | 8,83 mila mld | 2020 | 40,58 mila mld |
| 1989 | 740 mld | 2005 | 9,81 mila mld | 2021 | 46,16 mila mld |
| 1990 | 1,09 mila mld | 2006 | 11,35 mila mld | 2022 | 51,33 mila mld |
| 1991 | 1,37 mila mld | 2007 | 12,9 mila mld | 2023 | 55,52 mila mld |
| 1992 | 1,73 mila mld | 2008 | 15,16 mila mld | 2024 | 63,45 mila mld |
| 1993 | 2,17 mila mld | 2009 | 16,49 mila mld | 2025 | 66,74 mila mld |
| 1994 | 2,86 mila mld | 2010 | 19,2 mila mld | 2026 | 71,85 mila mld |
| 1995 | 3,29 mila mld | 2011 | 22,63 mila mld | | |
Tabella dei dati
| 1980 | 11,6% | 1996 | 16,9% | 2012 | 17,6% |
| 1981 | 13,3% | 1997 | 18,1% | 2013 | 17,1% |
| 1982 | 13,2% | 1998 | 18% | 2014 | 17,1% |
| 1983 | 13% | 1999 | 19,2% | 2015 | 18% |
| 1984 | 13% | 2000 | 19,6% | 2016 | 17,7% |
| 1985 | 11,4% | 2001 | 19% | 2017 | 18,1% |
| 1986 | 9,3% | 2002 | 17,6% | 2018 | 18,5% |
| 1987 | 10,2% | 2003 | 14,6% | 2019 | 20,1% |
| 1988 | 9,8% | 2004 | 14% | 2020 | 22,6% |
| 1989 | 11,8% | 2005 | 14% | 2021 | 20,5% |
| 1990 | 10,5% | 2006 | 14,1% | 2022 | 20,2% |
| 1991 | 11,4% | 2007 | 13,1% | 2023 | 21,5% |
| 1992 | 13% | 2008 | 11,8% | 2024 | 20,9% |
| 1993 | 12,9% | 2009 | 14,3% | 2025 | 19,6% |
| 1994 | 14,5% | 2010 | 13,3% | 2026 | 19,3% |
| 1995 | 15,7% | 2011 | 14,7% | | |
Tabella dei dati
| 1980 | 60 mld | 1996 | 3,41 mila mld | 2012 | 25,89 mila mld |
| 1981 | 87,4 mld | 1997 | 3,92 mila mld | 2013 | 28,41 mila mld |
| 1982 | 90,7 mld | 1998 | 4,53 mila mld | 2014 | 30,87 mila mld |
| 1983 | 99,8 mld | 1999 | 5,29 mila mld | 2015 | 33,88 mila mld |
| 1984 | 129 mld | 2000 | 6,06 mila mld | 2016 | 36,22 mila mld |
| 1985 | 147 mld | 2001 | 6,64 mila mld | 2017 | 39,57 mila mld |
| 1986 | 158 mld | 2002 | 7,26 mila mld | 2018 | 42,63 mila mld |
| 1987 | 235 mld | 2003 | 7,21 mila mld | 2019 | 47,62 mila mld |
| 1988 | 299 mld | 2004 | 8,06 mila mld | 2020 | 54,3 mila mld |
| 1989 | 506 mld | 2005 | 9,32 mila mld | 2021 | 55,34 mila mld |
| 1990 | 636 mld | 2006 | 10,66 mila mld | 2022 | 59,06 mila mld |
| 1991 | 1,05 mila mld | 2007 | 11,76 mila mld | 2023 | 67,49 mila mld |
| 1992 | 1,39 mila mld | 2008 | 12,7 mila mld | 2024 | 70,56 mila mld |
| 1993 | 1,64 mila mld | 2009 | 15,83 mila mld | 2025 | 73,03 mila mld |
| 1994 | 2,17 mila mld | 2010 | 17,21 mila mld | 2026 | 77,16 mila mld |
| 1995 | 2,8 mila mld | 2011 | 20,81 mila mld | | |