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| 1998 | 15,9% | 2008 | 20,9% | 2018 | 19,5% |
| 1999 | 15,5% | 2009 | 20,2% | 2019 | 19,4% |
| 2000 | 16,2% | 2010 | 21,5% | 2020 | 18,4% |
| 2001 | 17% | 2011 | 20,3% | 2021 | 18,7% |
| 2002 | 17,9% | 2012 | 18% | 2022 | 18,9% |
| 2003 | 19,6% | 2013 | 18,5% | 2023 | 17,1% |
| 2004 | 19,3% | 2014 | 17,7% | 2024 | 17,6% |
| 2005 | 19,7% | 2015 | 19,2% | 2025 | 19,9% |
| 2006 | 20,7% | 2016 | 19,1% | 2026 | 19,8% |
| 2007 | 20,6% | 2017 | 19,6% | | |
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| 1998 | 72,97 bill. | 2008 | 429,53 bill. | 2018 | 1,36 mil bill. |
| 1999 | 78,49 bill. | 2009 | 462,88 bill. | 2019 | 1,5 mil bill. |
| 2000 | 90,75 bill. | 2010 | 588,24 bill. | 2020 | 1,48 mil bill. |
| 2001 | 103,89 bill. | 2011 | 719,41 bill. | 2021 | 1,59 mil bill. |
| 2002 | 121,72 bill. | 2012 | 733,45 bill. | 2022 | 1,82 mil bill. |
| 2003 | 152,96 bill. | 2013 | 827,31 bill. | 2023 | 1,76 mil bill. |
| 2004 | 190,89 bill. | 2014 | 875,74 bill. | 2024 | 2,02 mil bill. |
| 2005 | 228,29 bill. | 2015 | 996,23 bill. | 2025 | 2,56 mil bill. |
| 2006 | 279,48 bill. | 2016 | 1,08 mil bill. | 2026 | 2,79 mil bill. |
| 2007 | 325,44 bill. | 2017 | 1,23 mil bill. | | |
Mostrar tabla de datos
| 1998 | 16% | 2008 | 21,4% | 2018 | 20,5% |
| 1999 | 16,7% | 2009 | 25% | 2019 | 19,8% |
| 2000 | 17,8% | 2010 | 23,7% | 2020 | 21,3% |
| 2001 | 19,2% | 2011 | 21,2% | 2021 | 20,1% |
| 2002 | 19,7% | 2012 | 23,5% | 2022 | 18,2% |
| 2003 | 22,2% | 2013 | 24,5% | 2023 | 18,8% |
| 2004 | 19,4% | 2014 | 22,8% | 2024 | 19,1% |
| 2005 | 20,6% | 2015 | 24,2% | 2025 | 22,2% |
| 2006 | 20,5% | 2016 | 22,2% | 2026 | 21,8% |
| 2007 | 22,3% | 2017 | 21,5% | | |
Mostrar tabla de datos
| 1998 | 73,42 bill. | 2008 | 438,7 bill. | 2018 | 1,44 mil bill. |
| 1999 | 84,82 bill. | 2009 | 573,7 bill. | 2019 | 1,53 mil bill. |
| 2000 | 99,75 bill. | 2010 | 649,91 bill. | 2020 | 1,71 mil bill. |
| 2001 | 117,29 bill. | 2011 | 751,3 bill. | 2021 | 1,71 mil bill. |
| 2002 | 134,33 bill. | 2012 | 955,97 bill. | 2022 | 1,75 mil bill. |
| 2003 | 172,89 bill. | 2013 | 1,09 mil bill. | 2023 | 1,94 mil bill. |
| 2004 | 192,37 bill. | 2014 | 1,12 mil bill. | 2024 | 2,2 mil bill. |
| 2005 | 239,36 bill. | 2015 | 1,25 mil bill. | 2025 | 2,85 mil bill. |
| 2006 | 276,77 bill. | 2016 | 1,25 mil bill. | 2026 | 3,07 mil bill. |
| 2007 | 352,97 bill. | 2017 | 1,36 mil bill. | | |