Tabella dei dati
| 1989 | 21,1% | 2002 | 24,8% | 2015 | 23,5% |
| 1990 | 26,3% | 2003 | 27,4% | 2016 | 24,3% |
| 1991 | 22,9% | 2004 | 27,7% | 2017 | 21% |
| 1992 | 20,1% | 2005 | 35,5% | 2018 | 23% |
| 1993 | 21,5% | 2006 | 42,6% | 2019 | 24,5% |
| 1994 | 20,1% | 2007 | 37,6% | 2020 | 20% |
| 1995 | 21,2% | 2008 | 48,1% | 2021 | 22,6% |
| 1996 | 24,9% | 2009 | 29,2% | 2022 | 31,8% |
| 1997 | 25,9% | 2010 | 38,5% | 2023 | 26,5% |
| 1998 | 19,9% | 2011 | 43,9% | 2024 | 25,3% |
| 1999 | 24% | 2012 | 37,9% | 2025 | 24,2% |
| 2000 | 23,7% | 2013 | 39,5% | 2026 | 25,2% |
| 2001 | 28,4% | 2014 | 37,8% | | |
Tabella dei dati
| 1989 | 167 mld | 2002 | 575 mld | 2015 | 1,65 mila mld |
| 1990 | 209 mld | 2003 | 614 mld | 2016 | 1,57 mila mld |
| 1991 | 196 mld | 2004 | 746 mld | 2017 | 1,45 mila mld |
| 1992 | 174 mld | 2005 | 1,25 mila mld | 2018 | 1,89 mila mld |
| 1993 | 183 mld | 2006 | 1,8 mila mld | 2019 | 2 mila mld |
| 1994 | 231 mld | 2007 | 1,58 mila mld | 2020 | 1,32 mila mld |
| 1995 | 260 mld | 2008 | 2,5 mila mld | 2021 | 1,67 mila mld |
| 1996 | 362 mld | 2009 | 1,33 mila mld | 2022 | 2,76 mila mld |
| 1997 | 388 mld | 2010 | 2,51 mila mld | 2023 | 2,28 mila mld |
| 1998 | 263 mld | 2011 | 3,24 mila mld | 2024 | 2,26 mila mld |
| 1999 | 391 mld | 2012 | 3,42 mila mld | 2025 | 2,19 mila mld |
| 2000 | 611 mld | 2013 | 3,51 mila mld | 2026 | 2,38 mila mld |
| 2001 | 632 mld | 2014 | 3,35 mila mld | | |
Tabella dei dati
| 1989 | 20,3% | 2002 | 32,1% | 2015 | 41,3% |
| 1990 | 30,4% | 2003 | 27% | 2016 | 38,8% |
| 1991 | 34,1% | 2004 | 24,4% | 2017 | 26,6% |
| 1992 | 32,8% | 2005 | 22,1% | 2018 | 17,8% |
| 1993 | 32,8% | 2006 | 26,6% | 2019 | 20,2% |
| 1994 | 30,7% | 2007 | 28,6% | 2020 | 21,1% |
| 1995 | 27,6% | 2008 | 24,2% | 2021 | 20,9% |
| 1996 | 15,7% | 2009 | 24,4% | 2022 | 22,8% |
| 1997 | 22,2% | 2010 | 23% | 2023 | 20,7% |
| 1998 | 25,1% | 2011 | 27,9% | 2024 | 21,7% |
| 1999 | 28,8% | 2012 | 30,7% | 2025 | 23,9% |
| 2000 | 22,6% | 2013 | 42,4% | 2026 | 24,8% |
| 2001 | 29,1% | 2014 | 48,6% | | |
Tabella dei dati
| 1989 | 160 mld | 2002 | 746 mld | 2015 | 2,9 mila mld |
| 1990 | 241 mld | 2003 | 605 mld | 2016 | 2,51 mila mld |
| 1991 | 292 mld | 2004 | 656 mld | 2017 | 1,83 mila mld |
| 1992 | 285 mld | 2005 | 776 mld | 2018 | 1,46 mila mld |
| 1993 | 279 mld | 2006 | 1,12 mila mld | 2019 | 1,65 mila mld |
| 1994 | 353 mld | 2007 | 1,2 mila mld | 2020 | 1,39 mila mld |
| 1995 | 338 mld | 2008 | 1,26 mila mld | 2021 | 1,55 mila mld |
| 1996 | 228 mld | 2009 | 1,12 mila mld | 2022 | 1,99 mila mld |
| 1997 | 333 mld | 2010 | 1,5 mila mld | 2023 | 1,78 mila mld |
| 1998 | 331 mld | 2011 | 2,06 mila mld | 2024 | 1,94 mila mld |
| 1999 | 468 mld | 2012 | 2,77 mila mld | 2025 | 2,17 mila mld |
| 2000 | 584 mld | 2013 | 3,76 mila mld | 2026 | 2,35 mila mld |
| 2001 | 648 mld | 2014 | 4,3 mila mld | | |