Tabella dei dati
| 2000 | 42,6% | 2009 | 34,8% | 2018 | 35,6% |
| 2001 | 42,1% | 2010 | 36% | 2019 | 34,9% |
| 2002 | 41,8% | 2011 | 35,9% | 2020 | 34,1% |
| 2003 | 40,4% | 2012 | 35,1% | 2021 | 36,7% |
| 2004 | 39,6% | 2013 | 35,6% | 2022 | 37,2% |
| 2005 | 39,6% | 2014 | 36% | 2023 | 34,2% |
| 2006 | 40,7% | 2015 | 36,4% | 2024 | 35,6% |
| 2007 | 39,8% | 2016 | 36,1% | 2025 | 38,4% |
| 2008 | 37,7% | 2017 | 37,2% | 2026 | 38,4% |
Tabella dei dati
| 2000 | 237 mld | 2009 | 292 mld | 2018 | 480 mld |
| 2001 | 239 mld | 2010 | 322 mld | 2019 | 497 mld |
| 2002 | 248 mld | 2011 | 344 mld | 2020 | 483 mld |
| 2003 | 241 mld | 2012 | 356 mld | 2021 | 580 mld |
| 2004 | 248 mld | 2013 | 383 mld | 2022 | 657 mld |
| 2005 | 262 mld | 2014 | 405 mld | 2023 | 645 mld |
| 2006 | 288 mld | 2015 | 428 mld | 2024 | 715 mld |
| 2007 | 301 mld | 2016 | 445 mld | 2025 | 809 mld |
| 2008 | 299 mld | 2017 | 479 mld | 2026 | 861 mld |
Tabella dei dati
| 2000 | 43,4% | 2009 | 41,4% | 2018 | 39,2% |
| 2001 | 46,1% | 2010 | 39,7% | 2019 | 38,7% |
| 2002 | 50% | 2011 | 39,3% | 2020 | 44,8% |
| 2003 | 45,4% | 2012 | 39,6% | 2021 | 40,1% |
| 2004 | 43% | 2013 | 39,7% | 2022 | 36,9% |
| 2005 | 42,3% | 2014 | 38,3% | 2023 | 39,6% |
| 2006 | 41,6% | 2015 | 37,6% | 2024 | 43,7% |
| 2007 | 40,2% | 2016 | 37,9% | 2025 | 43,6% |
| 2008 | 41,2% | 2017 | 38,4% | 2026 | 44,2% |
Tabella dei dati
| 2000 | 241 mld | 2009 | 347 mld | 2018 | 528 mld |
| 2001 | 262 mld | 2010 | 355 mld | 2019 | 551 mld |
| 2002 | 296 mld | 2011 | 377 mld | 2020 | 633 mld |
| 2003 | 271 mld | 2012 | 402 mld | 2021 | 634 mld |
| 2004 | 270 mld | 2013 | 427 mld | 2022 | 652 mld |
| 2005 | 280 mld | 2014 | 431 mld | 2023 | 746 mld |
| 2006 | 294 mld | 2015 | 442 mld | 2024 | 877 mld |
| 2007 | 305 mld | 2016 | 467 mld | 2025 | 919 mld |
| 2008 | 327 mld | 2017 | 494 mld | 2026 | 992 mld |