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| 1997 | 25% | 2007 | 32,2% | 2017 | 34,5% |
| 1998 | 23,7% | 2008 | 33,4% | 2018 | 33,8% |
| 1999 | 23,7% | 2009 | 36,7% | 2019 | 32,6% |
| 2000 | 26,2% | 2010 | 36,9% | 2020 | 32% |
| 2001 | 30,1% | 2011 | 38,3% | 2021 | 30,1% |
| 2002 | 29,8% | 2012 | 39,2% | 2022 | 29,5% |
| 2003 | 32,2% | 2013 | 38,9% | 2023 | 29% |
| 2004 | 33,4% | 2014 | 37,5% | 2024 | 26,8% |
| 2005 | 34,1% | 2015 | 35,9% | 2025 | 22,4% |
| 2006 | 33,3% | 2016 | 35,4% | 2026 | 27,6% |
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| 1997 | 2,17 bill. | 2007 | 4,3 bill. | 2017 | 6,21 bill. |
| 1998 | 2,22 bill. | 2008 | 4,37 bill. | 2018 | 6,23 bill. |
| 1999 | 2,32 bill. | 2009 | 4,74 bill. | 2019 | 6,19 bill. |
| 2000 | 2,71 bill. | 2010 | 5,19 bill. | 2020 | 6,4 bill. |
| 2001 | 3,05 bill. | 2011 | 5,47 bill. | 2021 | 6,55 bill. |
| 2002 | 3,17 bill. | 2012 | 5,75 bill. | 2022 | 6,73 bill. |
| 2003 | 3,51 bill. | 2013 | 5,94 bill. | 2023 | 6,85 bill. |
| 2004 | 3,88 bill. | 2014 | 6,09 bill. | 2024 | 6,89 bill. |
| 2005 | 4,1 bill. | 2015 | 6,13 bill. | 2025 | 6,44 bill. |
| 2006 | 4,19 bill. | 2016 | 6,21 bill. | 2026 | 8,45 bill. |
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| 1997 | 21,1% | 2007 | 30,3% | 2017 | 32,6% |
| 1998 | 17,6% | 2008 | 31,5% | 2018 | 31,9% |
| 1999 | 21,8% | 2009 | 34,8% | 2019 | 30,7% |
| 2000 | 24,3% | 2010 | 35% | 2020 | 30,1% |
| 2001 | 28,2% | 2011 | 36,5% | 2021 | 28,2% |
| 2002 | 27,9% | 2012 | 37,3% | 2022 | 27,6% |
| 2003 | 30,3% | 2013 | 37% | 2023 | 27,1% |
| 2004 | 31,6% | 2014 | 35,6% | 2024 | 24,9% |
| 2005 | 32,2% | 2015 | 34,1% | 2025 | 20,5% |
| 2006 | 31,4% | 2016 | 33,5% | 2026 | 25,7% |
Mostrar tabla de datos
| 1997 | 1,84 bill. | 2007 | 4,05 bill. | 2017 | 5,87 bill. |
| 1998 | 1,65 bill. | 2008 | 4,13 bill. | 2018 | 5,88 bill. |
| 1999 | 2,14 bill. | 2009 | 4,5 bill. | 2019 | 5,83 bill. |
| 2000 | 2,51 bill. | 2010 | 4,92 bill. | 2020 | 6,02 bill. |
| 2001 | 2,86 bill. | 2011 | 5,2 bill. | 2021 | 6,14 bill. |
| 2002 | 2,97 bill. | 2012 | 5,48 bill. | 2022 | 6,3 bill. |
| 2003 | 3,31 bill. | 2013 | 5,65 bill. | 2023 | 6,4 bill. |
| 2004 | 3,66 bill. | 2014 | 5,79 bill. | 2024 | 6,41 bill. |
| 2005 | 3,87 bill. | 2015 | 5,81 bill. | 2025 | 5,9 bill. |
| 2006 | 3,95 bill. | 2016 | 5,88 bill. | 2026 | 7,87 bill. |