Tabella dei dati
| 2000 | 19,6% | 2009 | 19,9% | 2018 | 19% |
| 2001 | 18,8% | 2010 | 21% | 2019 | 19,5% |
| 2002 | 18,2% | 2011 | 21,8% | 2020 | 17,5% |
| 2003 | 18,5% | 2012 | 22,4% | 2021 | 20,6% |
| 2004 | 18,5% | 2013 | 22,2% | 2022 | 21,7% |
| 2005 | 19,9% | 2014 | 22,2% | 2023 | 19,3% |
| 2006 | 21,2% | 2015 | 20% | 2024 | 18,7% |
| 2007 | 21,9% | 2016 | 18,4% | 2025 | 19,1% |
| 2008 | 22,4% | 2017 | 17,8% | 2026 | 19,4% |
Tabella dei dati
| 2000 | 34,5 mld | 2009 | 73,1 mld | 2018 | 144 mld |
| 2001 | 33,6 mld | 2010 | 88,5 mld | 2019 | 153 mld |
| 2002 | 34,6 mld | 2011 | 103 mld | 2020 | 128 mld |
| 2003 | 37,7 mld | 2012 | 114 mld | 2021 | 184 mld |
| 2004 | 41,8 mld | 2013 | 122 mld | 2022 | 207 mld |
| 2005 | 48,8 mld | 2014 | 129 mld | 2023 | 197 mld |
| 2006 | 60,7 mld | 2015 | 124 mld | 2024 | 207 mld |
| 2007 | 70,1 mld | 2016 | 123 mld | 2025 | 231 mld |
| 2008 | 79,1 mld | 2017 | 128 mld | 2026 | 257 mld |
Tabella dei dati
| 2000 | 21,7% | 2009 | 21,3% | 2018 | 21% |
| 2001 | 20,9% | 2010 | 21% | 2019 | 20,8% |
| 2002 | 19,6% | 2011 | 19,8% | 2020 | 25,7% |
| 2003 | 20,1% | 2012 | 20,3% | 2021 | 23,1% |
| 2004 | 19,6% | 2013 | 21,5% | 2022 | 23,1% |
| 2005 | 20,4% | 2014 | 22,4% | 2023 | 22,1% |
| 2006 | 19,2% | 2015 | 22% | 2024 | 22,2% |
| 2007 | 18,6% | 2016 | 20,5% | 2025 | 21,4% |
| 2008 | 19,9% | 2017 | 20,6% | 2026 | 21,3% |
Tabella dei dati
| 2000 | 38,2 mld | 2009 | 78,6 mld | 2018 | 158 mld |
| 2001 | 37,5 mld | 2010 | 88,6 mld | 2019 | 164 mld |
| 2002 | 37,3 mld | 2011 | 93 mld | 2020 | 188 mld |
| 2003 | 41 mld | 2012 | 103 mld | 2021 | 206 mld |
| 2004 | 44,1 mld | 2013 | 118 mld | 2022 | 220 mld |
| 2005 | 49,9 mld | 2014 | 130 mld | 2023 | 225 mld |
| 2006 | 54,9 mld | 2015 | 136 mld | 2024 | 246 mld |
| 2007 | 59,4 mld | 2016 | 138 mld | 2025 | 259 mld |
| 2008 | 70,4 mld | 2017 | 148 mld | 2026 | 283 mld |