Tableau de données
| 1993 | 816 M | 2004 | 2,04 Md | 2015 | 1,78 Md |
| 1994 | 938 M | 2005 | 2,44 Md | 2016 | 1,96 Md |
| 1995 | 1,07 Md | 2006 | 2,45 Md | 2017 | 2,09 Md |
| 1996 | 1,12 Md | 2007 | 2,71 Md | 2018 | 2,75 Md |
| 1997 | 988 M | 2008 | 2,92 Md | 2019 | 2,98 Md |
| 1998 | 1,17 Md | 2009 | 2,72 Md | 2020 | 3,2 Md |
| 1999 | 1,21 Md | 2010 | 2,5 Md | 2021 | 3,92 Md |
| 2000 | 1,16 Md | 2011 | 2,47 Md | 2022 | 3,89 Md |
| 2001 | 1,18 Md | 2012 | 2,22 Md | 2023 | 4,54 Md |
| 2002 | 1,49 Md | 2013 | 2,15 Md | 2024 | 6,51 Md |
| 2003 | 1,89 Md | 2014 | 2,02 Md | 2025 | 7,05 Md |
Tableau de données
| 1993 | 2,3% | 2004 | 1,7% | 2015 | 0,9% |
| 1994 | 2,3% | 2005 | 1,8% | 2016 | 1% |
| 1995 | 1,8% | 2006 | 1,6% | 2017 | 0,9% |
| 1996 | 1,7% | 2007 | 1,4% | 2018 | 1,1% |
| 1997 | 1,6% | 2008 | 1,2% | 2019 | 1,2% |
| 1998 | 1,7% | 2009 | 1,3% | 2020 | 1,3% |
| 1999 | 1,8% | 2010 | 1,2% | 2021 | 1,3% |
| 2000 | 1,9% | 2011 | 1,1% | 2022 | 1,3% |
| 2001 | 1,7% | 2012 | 1,1% | 2023 | 1,3% |
| 2002 | 1,8% | 2013 | 1% | 2024 | 1,9% |
| 2003 | 1,9% | 2014 | 1% | 2025 | 1,8% |