Tabella dei dati
| 1990 | 72,9% | 2003 | 31,5% | 2016 | 75,4% |
| 1991 | 75,7% | 2004 | 29,4% | 2017 | 73% |
| 1992 | 64,4% | 2005 | 27,1% | 2018 | 68,6% |
| 1993 | 51,1% | 2006 | 22,5% | 2019 | 84% |
| 1994 | 30,5% | 2007 | 16,4% | 2020 | 146,4% |
| 1995 | 16,3% | 2008 | 14,8% | 2021 | 115,8% |
| 1996 | 11,8% | 2009 | 14,6% | 2022 | 111,7% |
| 1997 | 16,8% | 2010 | 17,3% | 2023 | 97,7% |
| 1998 | 21,6% | 2011 | 18,7% | 2024 | 88% |
| 1999 | 32,3% | 2012 | 20,1% | 2025 | 105,8% |
| 2000 | 48,4% | 2013 | 27,9% | 2026 | 87,1% |
| 2001 | 37,2% | 2014 | 25,2% | | |
| 2002 | 37,4% | 2015 | 41,2% | | |
Tabella dei dati
| 1990 | 4 mln | 2003 | 1,42 mld | 2016 | 15,6 mld |
| 1991 | 5 mln | 2004 | 1,61 mld | 2017 | 19,6 mld |
| 1992 | 6 mln | 2005 | 1,77 mld | 2018 | 20,5 mld |
| 1993 | 11 mln | 2006 | 1,74 mld | 2019 | 26,7 mld |
| 1994 | 35 mln | 2007 | 1,42 mld | 2020 | 56,7 mld |
| 1995 | 71 mln | 2008 | 1,53 mld | 2021 | 70,3 mld |
| 1996 | 58 mln | 2009 | 1,67 mld | 2022 | 105 mld |
| 1997 | 89 mln | 2010 | 2,22 mld | 2023 | 125 mld |
| 1998 | 138 mln | 2011 | 2,9 mld | 2024 | 129 mld |
| 1999 | 352 mln | 2012 | 3,54 mld | 2025 | 184 mld |
| 2000 | 868 mln | 2013 | 5,07 mld | 2026 | 203 mld |
| 2001 | 946 mln | 2014 | 4,67 mld | | |
| 2002 | 1,29 mld | 2015 | 7,21 mld | | |