Tabella dei dati
| 1980 | 22,8% | 1996 | 103,7% | 2012 | 164,3% |
| 1981 | 27,1% | 1997 | 102,6% | 2013 | 180,5% |
| 1982 | 29,7% | 1998 | 100,8% | 2014 | 182,8% |
| 1983 | 34,1% | 1999 | 102,8% | 2015 | 180% |
| 1984 | 40,6% | 2000 | 108,9% | 2016 | 183,7% |
| 1985 | 47,3% | 2001 | 110,5% | 2017 | 182,6% |
| 1986 | 47,8% | 2002 | 107,9% | 2018 | 189,6% |
| 1987 | 53,2% | 2003 | 104,3% | 2019 | 183,7% |
| 1988 | 57,9% | 2004 | 105,5% | 2020 | 209,9% |
| 1989 | 60,7% | 2005 | 109,9% | 2021 | 197,8% |
| 1990 | 74,2% | 2006 | 105,3% | 2022 | 179,2% |
| 1991 | 75,7% | 2007 | 104,6% | 2023 | 165,5% |
| 1992 | 81,1% | 2008 | 110,9% | 2024 | 155,4% |
| 1993 | 101,7% | 2009 | 128,5% | 2025 | 145,7% |
| 1994 | 99,7% | 2010 | 147,8% | 2026 | 136,9% |
| 1995 | 100,4% | 2011 | 175,1% | | |
Tabella dei dati
| 1980 | 1,6 mld | 1996 | 104 mld | 2012 | 305 mld |
| 1981 | 2,27 mld | 1997 | 114 mld | 2013 | 322 mld |
| 1982 | 3,14 mld | 1998 | 122 mld | 2014 | 322 mld |
| 1983 | 4,29 mld | 1999 | 132 mld | 2015 | 316 mld |
| 1984 | 6,36 mld | 2000 | 148 mld | 2016 | 320 mld |
| 1985 | 9,04 mld | 2001 | 163 mld | 2017 | 324 mld |
| 1986 | 10,9 mld | 2002 | 171 mld | 2018 | 342 mld |
| 1987 | 13,7 mld | 2003 | 182 mld | 2019 | 340 mld |
| 1988 | 18,1 mld | 2004 | 199 mld | 2020 | 352 mld |
| 1989 | 22,6 mld | 2005 | 214 mld | 2021 | 365 mld |
| 1990 | 33,3 mld | 2006 | 226 mld | 2022 | 371 mld |
| 1991 | 42 mld | 2007 | 240 mld | 2023 | 372 mld |
| 1992 | 52 mld | 2008 | 265 mld | 2024 | 368 mld |
| 1993 | 73,4 mld | 2009 | 301 mld | 2025 | 362 mld |
| 1994 | 81,6 mld | 2010 | 331 mld | 2026 | 357 mld |
| 1995 | 92,1 mld | 2011 | 356 mld | | |