Tableau de données
| 1990 | 15,3% | 2003 | 18,4% | 2016 | 24,4% |
| 1991 | 16,2% | 2004 | 18,7% | 2017 | 25,6% |
| 1992 | 16,5% | 2005 | 19% | 2018 | 24,9% |
| 1993 | 17,1% | 2006 | 20% | 2019 | 24,7% |
| 1994 | 18% | 2007 | 20,5% | 2020 | 24,6% |
| 1995 | 18,4% | 2008 | 20,7% | 2021 | 25,6% |
| 1996 | 18,3% | 2009 | 19,3% | 2022 | 26% |
| 1997 | 16,7% | 2010 | 20,6% | 2023 | 25,8% |
| 1998 | 16,3% | 2011 | 20,8% | 2024 | 26,8% |
| 1999 | 16,6% | 2012 | 23,6% | 2025 | 27,4% |
| 2000 | 17,5% | 2013 | 24% | 2026 | 27,6% |
| 2001 | 16,7% | 2014 | 23,6% | | |
| 2002 | 17% | 2015 | 23,5% | | |
Tableau de données
| 1990 | 735 M | 2003 | 2,44 Md | 2016 | 5,89 Md |
| 1991 | 852 M | 2004 | 2,57 Md | 2017 | 6,39 Md |
| 1992 | 957 M | 2005 | 2,79 Md | 2018 | 6,48 Md |
| 1993 | 1,14 Md | 2006 | 3,2 Md | 2019 | 6,64 Md |
| 1994 | 1,38 Md | 2007 | 3,49 Md | 2020 | 6,12 Md |
| 1995 | 1,64 Md | 2008 | 3,73 Md | 2021 | 7,42 Md |
| 1996 | 1,76 Md | 2009 | 3,4 Md | 2022 | 8,28 Md |
| 1997 | 1,7 Md | 2010 | 3,81 Md | 2023 | 8,75 Md |
| 1998 | 1,79 Md | 2011 | 4,22 Md | 2024 | 9,48 Md |
| 1999 | 1,87 Md | 2012 | 5,04 Md | 2025 | 10,2 Md |
| 2000 | 2,06 Md | 2013 | 5,29 Md | 2026 | 11 Md |
| 2001 | 2,06 Md | 2014 | 5,33 Md | | |
| 2002 | 2,15 Md | 2015 | 5,5 Md | | |
Tableau de données
| 1990 | 15,9% | 2003 | 22,6% | 2016 | 27,5% |
| 1991 | 18,5% | 2004 | 21,5% | 2017 | 28,1% |
| 1992 | 20,8% | 2005 | 22,4% | 2018 | 27,6% |
| 1993 | 18,5% | 2006 | 23,4% | 2019 | 27,8% |
| 1994 | 18,9% | 2007 | 22,8% | 2020 | 32,7% |
| 1995 | 18,6% | 2008 | 24,5% | 2021 | 31,1% |
| 1996 | 21% | 2009 | 26% | 2022 | 28,7% |
| 1997 | 18,6% | 2010 | 25,6% | 2023 | 30,5% |
| 1998 | 19,3% | 2011 | 25,3% | 2024 | 31,4% |
| 1999 | 19,7% | 2012 | 27,4% | 2025 | 30,2% |
| 2000 | 21% | 2013 | 28,5% | 2026 | 29,6% |
| 2001 | 21,7% | 2014 | 27,6% | | |
| 2002 | 22,5% | 2015 | 27,1% | | |
Tableau de données
| 1990 | 765 M | 2003 | 3 Md | 2016 | 6,64 Md |
| 1991 | 974 M | 2004 | 2,95 Md | 2017 | 7,02 Md |
| 1992 | 1,21 Md | 2005 | 3,3 Md | 2018 | 7,18 Md |
| 1993 | 1,24 Md | 2006 | 3,75 Md | 2019 | 7,47 Md |
| 1994 | 1,45 Md | 2007 | 3,88 Md | 2020 | 8,15 Md |
| 1995 | 1,66 Md | 2008 | 4,42 Md | 2021 | 9,03 Md |
| 1996 | 2,02 Md | 2009 | 4,57 Md | 2022 | 9,13 Md |
| 1997 | 1,9 Md | 2010 | 4,72 Md | 2023 | 10,3 Md |
| 1998 | 2,11 Md | 2011 | 5,13 Md | 2024 | 11,1 Md |
| 1999 | 2,22 Md | 2012 | 5,86 Md | 2025 | 11,3 Md |
| 2000 | 2,47 Md | 2013 | 6,27 Md | 2026 | 11,8 Md |
| 2001 | 2,66 Md | 2014 | 6,24 Md | | |
| 2002 | 2,85 Md | 2015 | 6,35 Md | | |