Tabella dei dati
| 1992 | 44,3% | 2004 | 45,9% | 2016 | 44,6% |
| 1993 | 45,9% | 2005 | 45,3% | 2017 | 43,4% |
| 1994 | 48,8% | 2006 | 50,3% | 2018 | 45,8% |
| 1995 | 49,1% | 2007 | 46,4% | 2019 | 49,5% |
| 1996 | 50,3% | 2008 | 47,9% | 2020 | 65,8% |
| 1997 | 54,4% | 2009 | 51,5% | 2021 | 86,7% |
| 1998 | 37,9% | 2010 | 53,4% | 2022 | 91,5% |
| 1999 | 34,7% | 2011 | 51% | 2023 | 82,9% |
| 2000 | 35,9% | 2012 | 48,6% | 2024 | 79,1% |
| 2001 | 41,9% | 2013 | 47,4% | 2025 | 78,7% |
| 2002 | 44,5% | 2014 | 46,2% | 2026 | 82,5% |
| 2003 | 46,4% | 2015 | 44,3% | | |
Tabella dei dati
| 1992 | 1,05 mld | 2004 | 2,28 mld | 2016 | 4,51 mld |
| 1993 | 1,21 mld | 2005 | 2,42 mld | 2017 | 4,67 mld |
| 1994 | 1,38 mld | 2006 | 2,86 mld | 2018 | 5,22 mld |
| 1995 | 1,45 mld | 2007 | 2,74 mld | 2019 | 5,74 mld |
| 1996 | 1,58 mld | 2008 | 2,89 mld | 2020 | 6,69 mld |
| 1997 | 1,77 mld | 2009 | 3,13 mld | 2021 | 7,66 mld |
| 1998 | 1,31 mld | 2010 | 3,38 mld | 2022 | 9,13 mld |
| 1999 | 1,36 mld | 2011 | 3,57 mld | 2023 | 9,75 mld |
| 2000 | 1,43 mld | 2012 | 3,67 mld | 2024 | 10,3 mld |
| 2001 | 1,68 mld | 2013 | 3,83 mld | 2025 | 10,8 mld |
| 2002 | 1,89 mld | 2014 | 4,08 mld | 2026 | 11,7 mld |
| 2003 | 2,13 mld | 2015 | 4,23 mld | | |
Tabella dei dati
| 1992 | 43,9% | 2004 | 43,2% | 2016 | 39,8% |
| 1993 | 44,6% | 2005 | 43,2% | 2017 | 38,6% |
| 1994 | 46,8% | 2006 | 44,1% | 2018 | 41,3% |
| 1995 | 47,5% | 2007 | 43% | 2019 | 44,4% |
| 1996 | 48,2% | 2008 | 42,7% | 2020 | 58,7% |
| 1997 | 52% | 2009 | 47% | 2021 | 77,4% |
| 1998 | 35% | 2010 | 48,3% | 2022 | 81% |
| 1999 | 30,5% | 2011 | 45,5% | 2023 | 75,8% |
| 2000 | 34% | 2012 | 42,1% | 2024 | 73,3% |
| 2001 | 31,7% | 2013 | 41% | 2025 | 72,2% |
| 2002 | 38,1% | 2014 | 40,2% | 2026 | 76,4% |
| 2003 | 43,1% | 2015 | 39% | | |
Tabella dei dati
| 1992 | 1,04 mld | 2004 | 2,15 mld | 2016 | 4,03 mld |
| 1993 | 1,17 mld | 2005 | 2,31 mld | 2017 | 4,15 mld |
| 1994 | 1,32 mld | 2006 | 2,51 mld | 2018 | 4,72 mld |
| 1995 | 1,41 mld | 2007 | 2,53 mld | 2019 | 5,15 mld |
| 1996 | 1,51 mld | 2008 | 2,57 mld | 2020 | 5,96 mld |
| 1997 | 1,7 mld | 2009 | 2,86 mld | 2021 | 6,84 mld |
| 1998 | 1,21 mld | 2010 | 3,07 mld | 2022 | 8,09 mld |
| 1999 | 1,19 mld | 2011 | 3,18 mld | 2023 | 8,91 mld |
| 2000 | 1,36 mld | 2012 | 3,18 mld | 2024 | 9,55 mld |
| 2001 | 1,27 mld | 2013 | 3,31 mld | 2025 | 9,88 mld |
| 2002 | 1,62 mld | 2014 | 3,55 mld | 2026 | 10,8 mld |
| 2003 | 1,98 mld | 2015 | 3,73 mld | | |