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| 1997 | 14,4% | 2007 | 14,5% | 2017 | 14,8% |
| 1998 | 13,9% | 2008 | 14,4% | 2018 | 14,7% |
| 1999 | 12,4% | 2009 | 13,4% | 2019 | 15% |
| 2000 | 12% | 2010 | 13,1% | 2020 | 15% |
| 2001 | 12,1% | 2011 | 10,3% | 2021 | 15,6% |
| 2002 | 12,5% | 2012 | 13,9% | 2022 | 15,1% |
| 2003 | 11,4% | 2013 | 14,2% | 2023 | 15,9% |
| 2004 | 12,5% | 2014 | 13,6% | 2024 | 16,4% |
| 2005 | 12,6% | 2015 | 14,5% | 2025 | 17,2% |
| 2006 | 13,4% | 2016 | 14,6% | 2026 | 17,6% |
Mostrar tabla de datos
| 1997 | 1,36 bill. | 2007 | 1,95 bill. | 2017 | 4,52 bill. |
| 1998 | 1,43 bill. | 2008 | 2,16 bill. | 2018 | 4,76 bill. |
| 1999 | 1,31 bill. | 2009 | 2,12 bill. | 2019 | 5,3 bill. |
| 2000 | 1,27 bill. | 2010 | 2,24 bill. | 2020 | 5,42 bill. |
| 2001 | 1,38 bill. | 2011 | 1,73 bill. | 2021 | 6,29 bill. |
| 2002 | 1,48 bill. | 2012 | 2,62 bill. | 2022 | 6,68 bill. |
| 2003 | 1,4 bill. | 2013 | 3,04 bill. | 2023 | 7,77 bill. |
| 2004 | 1,51 bill. | 2014 | 3,29 bill. | 2024 | 8,66 bill. |
| 2005 | 1,57 bill. | 2015 | 3,92 bill. | 2025 | 9,87 bill. |
| 2006 | 1,73 bill. | 2016 | 4,19 bill. | 2026 | 10,96 bill. |
Mostrar tabla de datos
| 1997 | 15,2% | 2007 | 14,8% | 2017 | 18,1% |
| 1998 | 14,6% | 2008 | 14,6% | 2018 | 17,6% |
| 1999 | 13,7% | 2009 | 14,4% | 2019 | 17,2% |
| 2000 | 12,9% | 2010 | 14,5% | 2020 | 20,4% |
| 2001 | 11,4% | 2011 | 13,2% | 2021 | 20,5% |
| 2002 | 13,1% | 2012 | 16,1% | 2022 | 21,9% |
| 2003 | 12,7% | 2013 | 15,9% | 2023 | 21% |
| 2004 | 13,5% | 2014 | 15,2% | 2024 | 20,4% |
| 2005 | 13,6% | 2015 | 16,5% | 2025 | 20,2% |
| 2006 | 14,5% | 2016 | 17,6% | 2026 | 20,6% |
Mostrar tabla de datos
| 1997 | 1,43 bill. | 2007 | 2 bill. | 2017 | 5,52 bill. |
| 1998 | 1,5 bill. | 2008 | 2,19 bill. | 2018 | 5,71 bill. |
| 1999 | 1,44 bill. | 2009 | 2,28 bill. | 2019 | 6,08 bill. |
| 2000 | 1,36 bill. | 2010 | 2,46 bill. | 2020 | 7,39 bill. |
| 2001 | 1,3 bill. | 2011 | 2,21 bill. | 2021 | 8,26 bill. |
| 2002 | 1,56 bill. | 2012 | 3,05 bill. | 2022 | 9,67 bill. |
| 2003 | 1,56 bill. | 2013 | 3,39 bill. | 2023 | 10,28 bill. |
| 2004 | 1,63 bill. | 2014 | 3,67 bill. | 2024 | 10,76 bill. |
| 2005 | 1,69 bill. | 2015 | 4,47 bill. | 2025 | 11,59 bill. |
| 2006 | 1,86 bill. | 2016 | 5,04 bill. | 2026 | 12,86 bill. |