Tabella dei dati
| 1990 | 19% | 2002 | 13,9% | 2014 | 11,2% |
| 1991 | 18,4% | 2003 | 13,2% | 2015 | 12,6% |
| 1992 | 18,1% | 2004 | 12,9% | 2016 | 13,2% |
| 1993 | 17,4% | 2005 | 14,2% | 2017 | 12,8% |
| 1994 | 16,7% | 2006 | 14,6% | 2018 | 12,6% |
| 1995 | 17,7% | 2007 | 14,1% | 2019 | 11,9% |
| 1996 | 16,2% | 2008 | 13,2% | 2020 | 8,8% |
| 1997 | 15,7% | 2009 | 12,7% | 2021 | 8,3% |
| 1998 | 14,6% | 2010 | 12,6% | 2022 | 8,4% |
| 1999 | 14,9% | 2011 | 13,1% | 2023 | 11,2% |
| 2000 | 14% | 2012 | 11,9% | 2024 | 13,7% |
| 2001 | 13,9% | 2013 | 11,6% | | |
Tabella dei dati
| 1990 | 74,7 mld | 2002 | 269 mld | 2014 | 1,2 mila mld |
| 1991 | 84 mld | 2003 | 284 mld | 2015 | 1,46 mila mld |
| 1992 | 94,1 mld | 2004 | 320 mld | 2016 | 1,69 mila mld |
| 1993 | 106 mld | 2005 | 412 mld | 2017 | 1,84 mila mld |
| 1994 | 118 mld | 2006 | 508 mld | 2018 | 1,93 mila mld |
| 1995 | 144 mld | 2007 | 596 mld | 2019 | 1,9 mila mld |
| 1996 | 152 mld | 2008 | 686 mld | 2020 | 1,37 mila mld |
| 1997 | 171 mld | 2009 | 726 mld | 2021 | 1,46 mila mld |
| 1998 | 182 mld | 2010 | 834 mld | 2022 | 2,01 mila mld |
| 1999 | 202 mld | 2011 | 983 mld | 2023 | 3,07 mila mld |
| 2000 | 215 mld | 2012 | 1,07 mila mld | 2024 | 4,09 mila mld |
| 2001 | 240 mld | 2013 | 1,15 mila mld | | |
Tabella dei dati
| 1990 | 25,4% | 2002 | 20,8% | 2014 | 17,2% |
| 1991 | 26,4% | 2003 | 19,3% | 2015 | 19,3% |
| 1992 | 23% | 2004 | 19,3% | 2016 | 18,2% |
| 1993 | 23,2% | 2005 | 20,1% | 2017 | 17,9% |
| 1994 | 24,1% | 2006 | 20,5% | 2018 | 17,5% |
| 1995 | 24,8% | 2007 | 19,9% | 2019 | 19,5% |
| 1996 | 23,1% | 2008 | 19,1% | 2020 | 22,1% |
| 1997 | 21,4% | 2009 | 21% | 2021 | 20% |
| 1998 | 21,4% | 2010 | 19,3% | 2022 | 18,6% |
| 1999 | 20,5% | 2011 | 19,1% | 2023 | 19,5% |
| 2000 | 21,7% | 2012 | 17,3% | 2024 | 19,1% |
| 2001 | 22,4% | 2013 | 16,6% | | |
Tabella dei dati
| 1990 | 99,8 mld | 2002 | 403 mld | 2014 | 1,85 mila mld |
| 1991 | 120 mld | 2003 | 417 mld | 2015 | 2,23 mila mld |
| 1992 | 120 mld | 2004 | 477 mld | 2016 | 2,33 mila mld |
| 1993 | 142 mld | 2005 | 585 mld | 2017 | 2,57 mila mld |
| 1994 | 171 mld | 2006 | 713 mld | 2018 | 2,69 mila mld |
| 1995 | 202 mld | 2007 | 841 mld | 2019 | 3,1 mila mld |
| 1996 | 217 mld | 2008 | 996 mld | 2020 | 3,46 mila mld |
| 1997 | 233 mld | 2009 | 1,2 mila mld | 2021 | 3,52 mila mld |
| 1998 | 266 mld | 2010 | 1,28 mila mld | 2022 | 4,47 mila mld |
| 1999 | 278 mld | 2011 | 1,43 mila mld | 2023 | 5,36 mila mld |
| 2000 | 334 mld | 2012 | 1,56 mila mld | 2024 | 5,71 mila mld |
| 2001 | 386 mld | 2013 | 1,65 mila mld | | |