Tabella dei dati
| 1990 | 21,3% | 2003 | 20,4% | 2016 | 24,1% |
| 1991 | 19,9% | 2004 | 21,2% | 2017 | 24,6% |
| 1992 | 20,4% | 2005 | 23,2% | 2018 | 24,2% |
| 1993 | 21,1% | 2006 | 24,2% | 2019 | 23,2% |
| 1994 | 19,2% | 2007 | 26,3% | 2020 | 27% |
| 1995 | 18,7% | 2008 | 28,9% | 2021 | 24,2% |
| 1996 | 18,5% | 2009 | 26,5% | 2022 | 26,5% |
| 1997 | 20,1% | 2010 | 24,8% | 2023 | 25,8% |
| 1998 | 20,2% | 2011 | 25,2% | 2024 | 26,9% |
| 1999 | 21,6% | 2012 | 25,9% | 2025 | 27,7% |
| 2000 | 20,8% | 2013 | 25,7% | 2026 | 28,1% |
| 2001 | 19,9% | 2014 | 25,9% | | |
| 2002 | 21,4% | 2015 | 23,9% | | |
Tabella dei dati
| 1990 | 57,2 mld | 2003 | 110 mld | 2016 | 264 mld |
| 1991 | 60,5 mld | 2004 | 121 mld | 2017 | 282 mld |
| 1992 | 63,7 mld | 2005 | 139 mld | 2018 | 290 mld |
| 1993 | 67,2 mld | 2006 | 158 mld | 2019 | 288 mld |
| 1994 | 68,2 mld | 2007 | 184 mld | 2020 | 311 mld |
| 1995 | 67,6 mld | 2008 | 224 mld | 2021 | 308 mld |
| 1996 | 75,1 mld | 2009 | 214 mld | 2022 | 353 mld |
| 1997 | 81,1 mld | 2010 | 210 mld | 2023 | 382 mld |
| 1998 | 87,9 mld | 2011 | 223 mld | 2024 | 430 mld |
| 1999 | 95,6 mld | 2012 | 238 mld | 2025 | 473 mld |
| 2000 | 92,9 mld | 2013 | 250 mld | 2026 | 513 mld |
| 2001 | 96,1 mld | 2014 | 259 mld | | |
| 2002 | 108 mld | 2015 | 258 mld | | |
Tabella dei dati
| 1990 | 22,6% | 2003 | 24,1% | 2016 | 28,6% |
| 1991 | 20,8% | 2004 | 24,5% | 2017 | 27,9% |
| 1992 | 22,3% | 2005 | 28,6% | 2018 | 27,8% |
| 1993 | 23,1% | 2006 | 26% | 2019 | 27% |
| 1994 | 21,7% | 2007 | 26,4% | 2020 | 34,1% |
| 1995 | 21,3% | 2008 | 28,3% | 2021 | 30,1% |
| 1996 | 17,6% | 2009 | 28,1% | 2022 | 31,8% |
| 1997 | 18,6% | 2010 | 28,7% | 2023 | 30,2% |
| 1998 | 18,7% | 2011 | 31,2% | 2024 | 30,9% |
| 1999 | 18,4% | 2012 | 32,5% | 2025 | 31,3% |
| 2000 | 22,8% | 2013 | 30,4% | 2026 | 31,7% |
| 2001 | 23,7% | 2014 | 30,7% | | |
| 2002 | 25,8% | 2015 | 28,5% | | |
Tabella dei dati
| 1990 | 60,8 mld | 2003 | 130 mld | 2016 | 313 mld |
| 1991 | 63,3 mld | 2004 | 140 mld | 2017 | 320 mld |
| 1992 | 69,4 mld | 2005 | 171 mld | 2018 | 332 mld |
| 1993 | 73,6 mld | 2006 | 170 mld | 2019 | 335 mld |
| 1994 | 77,1 mld | 2007 | 185 mld | 2020 | 393 mld |
| 1995 | 76,7 mld | 2008 | 219 mld | 2021 | 384 mld |
| 1996 | 71,6 mld | 2009 | 228 mld | 2022 | 425 mld |
| 1997 | 75,1 mld | 2010 | 244 mld | 2023 | 448 mld |
| 1998 | 81,5 mld | 2011 | 277 mld | 2024 | 493 mld |
| 1999 | 81,4 mld | 2012 | 299 mld | 2025 | 534 mld |
| 2000 | 102 mld | 2013 | 296 mld | 2026 | 577 mld |
| 2001 | 114 mld | 2014 | 307 mld | | |
| 2002 | 130 mld | 2015 | 307 mld | | |