Tableau de données
| 1991 | 43,3% | 2003 | 46% | 2015 | 73,5% |
| 1992 | 36,4% | 2004 | 46,8% | 2016 | 75,2% |
| 1993 | 31,9% | 2005 | 46,3% | 2017 | 77,1% |
| 1994 | 30,5% | 2006 | 52,6% | 2018 | 77% |
| 1995 | 28% | 2007 | 52,2% | 2019 | 77,9% |
| 1996 | 28,5% | 2008 | 54,2% | 2020 | 95,4% |
| 1997 | 27,8% | 2009 | 65,8% | 2021 | 88% |
| 1998 | 25,7% | 2010 | 66,8% | 2022 | 83,7% |
| 1999 | 28% | 2011 | 65,6% | 2023 | 85% |
| 2000 | 29,6% | 2012 | 70% | 2024 | 87,4% |
| 2001 | 37,8% | 2013 | 69,7% | 2025 | 87,2% |
| 2002 | 43,8% | 2014 | 71,8% | 2026 | 84,5% |
Tableau de données
| 1991 | 2,28 Md | 2003 | 6,09 Md | 2015 | 17,2 Md |
| 1992 | 2,11 Md | 2004 | 6,43 Md | 2016 | 18,2 Md |
| 1993 | 2,13 Md | 2005 | 6,8 Md | 2017 | 19,3 Md |
| 1994 | 2,35 Md | 2006 | 8,41 Md | 2018 | 20 Md |
| 1995 | 2,5 Md | 2007 | 8,88 Md | 2019 | 20,9 Md |
| 1996 | 2,74 Md | 2008 | 9,75 Md | 2020 | 23,8 Md |
| 1997 | 2,84 Md | 2009 | 11,6 Md | 2021 | 25,5 Md |
| 1998 | 2,81 Md | 2010 | 12,3 Md | 2022 | 26,7 Md |
| 1999 | 3,16 Md | 2011 | 13,3 Md | 2023 | 28,8 Md |
| 2000 | 3,48 Md | 2012 | 15 Md | 2024 | 30,9 Md |
| 2001 | 4,65 Md | 2013 | 15,3 Md | 2025 | 32,5 Md |
| 2002 | 5,55 Md | 2014 | 16,2 Md | 2026 | 33,7 Md |