Tabella dei dati
| 1982 | 13,1% | 1997 | 14,6% | 2012 | 16,8% |
| 1983 | 12,5% | 1998 | 15,3% | 2013 | 18% |
| 1984 | 12,3% | 1999 | 14,5% | 2014 | 17,7% |
| 1985 | 12,5% | 2000 | 14,5% | 2015 | 17,1% |
| 1986 | 12,3% | 2001 | 14,4% | 2016 | 17,9% |
| 1987 | 13,2% | 2002 | 14,4% | 2017 | 17,8% |
| 1988 | 14% | 2003 | 15,3% | 2018 | 17,5% |
| 1989 | 13,9% | 2004 | 16% | 2019 | 17% |
| 1990 | 13,9% | 2005 | 16,1% | 2020 | 16,7% |
| 1991 | 9,9% | 2006 | 16,9% | 2021 | 16,8% |
| 1992 | 9,3% | 2007 | 17,1% | 2022 | 17,1% |
| 1993 | 10,3% | 2008 | 17% | 2023 | 17% |
| 1994 | 14,7% | 2009 | 17,2% | 2024 | 17,5% |
| 1995 | 17,1% | 2010 | 17,9% | 2025 | 17,6% |
| 1996 | 14,7% | 2011 | 16,5% | 2026 | 17,2% |
Tabella dei dati
| 1982 | 17,5 mld | 1997 | 169 mld | 2012 | 801 mld |
| 1983 | 18,7 mld | 1998 | 191 mld | 2013 | 955 mld |
| 1984 | 20,8 mld | 1999 | 190 mld | 2014 | 1,06 mila mld |
| 1985 | 24 mld | 2000 | 201 mld | 2015 | 1,18 mila mld |
| 1986 | 27,6 mld | 2001 | 212 mld | 2016 | 1,36 mila mld |
| 1987 | 33 mld | 2002 | 215 mld | 2017 | 1,51 mila mld |
| 1988 | 39 mld | 2003 | 248 mld | 2018 | 1,64 mila mld |
| 1989 | 44,7 mld | 2004 | 288 mld | 2019 | 1,74 mila mld |
| 1990 | 51,6 mld | 2005 | 319 mld | 2020 | 1,79 mila mld |
| 1991 | 41,6 mld | 2006 | 361 mld | 2021 | 2,02 mila mld |
| 1992 | 45,3 mld | 2007 | 423 mld | 2022 | 2,31 mila mld |
| 1993 | 62,9 mld | 2008 | 482 mld | 2023 | 2,55 mila mld |
| 1994 | 103 mld | 2009 | 562 mld | 2024 | 2,84 mila mld |
| 1995 | 140 mld | 2010 | 643 mld | 2025 | 3,1 mila mld |
| 1996 | 152 mld | 2011 | 686 mld | 2026 | 3,36 mila mld |
Tabella dei dati
| 1982 | 16,2% | 1997 | 15,6% | 2012 | 22,1% |
| 1983 | 14,6% | 1998 | 15,3% | 2013 | 23,2% |
| 1984 | 14,9% | 1999 | 13,7% | 2014 | 23,4% |
| 1985 | 15,6% | 2000 | 14,1% | 2015 | 23,8% |
| 1986 | 15,3% | 2001 | 14,9% | 2016 | 25,3% |
| 1987 | 15,5% | 2002 | 15,7% | 2017 | 25,2% |
| 1988 | 15,9% | 2003 | 16% | 2018 | 24,5% |
| 1989 | 16,3% | 2004 | 15,4% | 2019 | 24,4% |
| 1990 | 17,2% | 2005 | 16,2% | 2020 | 24,8% |
| 1991 | 16,4% | 2006 | 17,3% | 2021 | 24% |
| 1992 | 17,6% | 2007 | 18,1% | 2022 | 23,1% |
| 1993 | 18,9% | 2008 | 18,9% | 2023 | 22,6% |
| 1994 | 18,8% | 2009 | 20,3% | 2024 | 23,2% |
| 1995 | 17,3% | 2010 | 21,5% | 2025 | 24% |
| 1996 | 15,2% | 2011 | 20,1% | 2026 | 23,7% |
Tabella dei dati
| 1982 | 21,6 mld | 1997 | 179 mld | 2012 | 1,05 mila mld |
| 1983 | 22 mld | 1998 | 191 mld | 2013 | 1,23 mila mld |
| 1984 | 25,1 mld | 1999 | 179 mld | 2014 | 1,41 mila mld |
| 1985 | 29,8 mld | 2000 | 195 mld | 2015 | 1,64 mila mld |
| 1986 | 34,3 mld | 2001 | 219 mld | 2016 | 1,92 mila mld |
| 1987 | 38,6 mld | 2002 | 235 mld | 2017 | 2,14 mila mld |
| 1988 | 44,5 mld | 2003 | 260 mld | 2018 | 2,28 mila mld |
| 1989 | 52,4 mld | 2004 | 279 mld | 2019 | 2,5 mila mld |
| 1990 | 63,7 mld | 2005 | 323 mld | 2020 | 2,66 mila mld |
| 1991 | 69,2 mld | 2006 | 370 mld | 2021 | 2,89 mila mld |
| 1992 | 85,4 mld | 2007 | 447 mld | 2022 | 3,12 mila mld |
| 1993 | 115 mld | 2008 | 537 mld | 2023 | 3,4 mila mld |
| 1994 | 132 mld | 2009 | 664 mld | 2024 | 3,77 mila mld |
| 1995 | 142 mld | 2010 | 775 mld | 2025 | 4,23 mila mld |
| 1996 | 157 mld | 2011 | 837 mld | 2026 | 4,61 mila mld |