Tabella dei dati
| 1997 | 79,3% | 2007 | 59,6% | 2017 | 113% |
| 1998 | 72,9% | 2008 | 57,5% | 2018 | 112,3% |
| 1999 | 66,4% | 2009 | 58,8% | 2019 | 109,8% |
| 2000 | 71,9% | 2010 | 66,2% | 2020 | 149,1% |
| 2001 | 62,2% | 2011 | 71,6% | 2021 | 149,5% |
| 2002 | 64,7% | 2012 | 82,9% | 2022 | 127,6% |
| 2003 | 65,6% | 2013 | 93,5% | 2023 | 117,5% |
| 2004 | 67,8% | 2014 | 105,7% | 2024 | 112,8% |
| 2005 | 66,7% | 2015 | 115,7% | 2025 | 101% |
| 2006 | 66,2% | 2016 | 115,6% | 2026 | 95,9% |
Tabella dei dati
| 1997 | 45 mld | 2007 | 79,3 mld | 2017 | 221 mld |
| 1998 | 46,4 mld | 2008 | 84,9 mld | 2018 | 231 mld |
| 1999 | 47,2 mld | 2009 | 87,2 mld | 2019 | 243 mld |
| 2000 | 58,3 mld | 2010 | 101 mld | 2020 | 264 mld |
| 2001 | 60,6 mld | 2011 | 116 mld | 2021 | 286 mld |
| 2002 | 65,7 mld | 2012 | 137 mld | 2022 | 301 mld |
| 2003 | 70,9 mld | 2013 | 158 mld | 2023 | 300 mld |
| 2004 | 76,1 mld | 2014 | 179 mld | 2024 | 313 mld |
| 2005 | 82,5 mld | 2015 | 201 mld | 2025 | 304 mld |
| 2006 | 84,5 mld | 2016 | 213 mld | 2026 | 309 mld |
Tabella dei dati
| 1997 | 74,7% | 2007 | 54,3% | 2017 | 107,3% |
| 1998 | 70,3% | 2008 | 53,1% | 2018 | 105,4% |
| 1999 | 64,1% | 2009 | 52,9% | 2019 | 101,6% |
| 2000 | 70,1% | 2010 | 58,9% | 2020 | 135,9% |
| 2001 | 60,6% | 2011 | 65,8% | 2021 | 135,6% |
| 2002 | 62,7% | 2012 | 79,3% | 2022 | 114,8% |
| 2003 | 63,6% | 2013 | 89,4% | 2023 | 105,9% |
| 2004 | 65,8% | 2014 | 100,4% | 2024 | 100,6% |
| 2005 | 62,9% | 2015 | 109,4% | 2025 | 89,7% |
| 2006 | 63,1% | 2016 | 109,7% | 2026 | 85,4% |
Tabella dei dati
| 1997 | 42,4 mld | 2007 | 72,2 mld | 2017 | 210 mld |
| 1998 | 44,7 mld | 2008 | 78,4 mld | 2018 | 217 mld |
| 1999 | 45,6 mld | 2009 | 78,4 mld | 2019 | 225 mld |
| 2000 | 56,8 mld | 2010 | 89,5 mld | 2020 | 240 mld |
| 2001 | 59,1 mld | 2011 | 107 mld | 2021 | 259 mld |
| 2002 | 63,7 mld | 2012 | 131 mld | 2022 | 271 mld |
| 2003 | 68,7 mld | 2013 | 151 mld | 2023 | 270 mld |
| 2004 | 73,8 mld | 2014 | 170 mld | 2024 | 280 mld |
| 2005 | 77,8 mld | 2015 | 190 mld | 2025 | 270 mld |
| 2006 | 80,5 mld | 2016 | 202 mld | 2026 | 275 mld |