Tabella dei dati
| 1990 | 19,6% | 2003 | 19,1% | 2016 | 17,7% |
| 1991 | 16,8% | 2004 | 19,6% | 2017 | 20,1% |
| 1992 | 18% | 2005 | 18,8% | 2018 | 20,9% |
| 1993 | 16,5% | 2006 | 22,8% | 2019 | 20,3% |
| 1994 | 17,9% | 2007 | 27,6% | 2020 | 18,2% |
| 1995 | 21,4% | 2008 | 22,9% | 2021 | 26,4% |
| 1996 | 24,8% | 2009 | 26% | 2022 | 25,6% |
| 1997 | 20,8% | 2010 | 20,9% | 2023 | 27,2% |
| 1998 | 24% | 2011 | 23,4% | 2024 | 25,9% |
| 1999 | 14,7% | 2012 | 24,7% | 2025 | 27,7% |
| 2000 | 16,6% | 2013 | 23,5% | 2026 | 25,5% |
| 2001 | 25,3% | 2014 | 22,5% | | |
| 2002 | 18,9% | 2015 | 21,6% | | |
Tabella dei dati
| 1990 | 1 mln | 2003 | 857 mln | 2016 | 3,66 mld |
| 1991 | 1 mln | 2004 | 1,07 mld | 2017 | 5,41 mld |
| 1992 | 2 mln | 2005 | 1,23 mld | 2018 | 6,23 mld |
| 1993 | 3 mln | 2006 | 1,76 mld | 2019 | 6,43 mld |
| 1994 | 21 mln | 2007 | 2,38 mld | 2020 | 7,07 mld |
| 1995 | 94 mln | 2008 | 2,38 mld | 2021 | 16 mld |
| 1996 | 123 mln | 2009 | 2,97 mld | 2022 | 24 mld |
| 1997 | 110 mln | 2010 | 2,68 mld | 2023 | 34,8 mld |
| 1998 | 153 mln | 2011 | 3,62 mld | 2024 | 38 mld |
| 1999 | 160 mln | 2012 | 4,34 mld | 2025 | 48,1 mld |
| 2000 | 298 mln | 2013 | 4,28 mld | 2026 | 59,4 mld |
| 2001 | 644 mln | 2014 | 4,17 mld | | |
| 2002 | 654 mln | 2015 | 3,78 mld | | |
Tabella dei dati
| 1990 | 22,7% | 2003 | 19,2% | 2016 | 27,9% |
| 1991 | 26,6% | 2004 | 20,8% | 2017 | 28,7% |
| 1992 | 24,4% | 2005 | 22,2% | 2018 | 29,5% |
| 1993 | 21,2% | 2006 | 22,2% | 2019 | 40,5% |
| 1994 | 19,8% | 2007 | 22,6% | 2020 | 30,2% |
| 1995 | 20,2% | 2008 | 20,5% | 2021 | 32% |
| 1996 | 21,4% | 2009 | 24% | 2022 | 28,2% |
| 1997 | 21,1% | 2010 | 21% | 2023 | 28,9% |
| 1998 | 30,3% | 2011 | 21% | 2024 | 29,3% |
| 1999 | 19,6% | 2012 | 25,1% | 2025 | 37,3% |
| 2000 | 24,4% | 2013 | 26,2% | 2026 | 30,2% |
| 2001 | 21,8% | 2014 | 25,2% | | |
| 2002 | 22,2% | 2015 | 29,9% | | |
Tabella dei dati
| 1990 | 1 mln | 2003 | 862 mln | 2016 | 5,77 mld |
| 1991 | 2 mln | 2004 | 1,14 mld | 2017 | 7,73 mld |
| 1992 | 2 mln | 2005 | 1,45 mld | 2018 | 8,79 mld |
| 1993 | 4 mln | 2006 | 1,71 mld | 2019 | 12,9 mld |
| 1994 | 23 mln | 2007 | 1,95 mld | 2020 | 11,7 mld |
| 1995 | 89 mln | 2008 | 2,13 mld | 2021 | 19,4 mld |
| 1996 | 106 mln | 2009 | 2,74 mld | 2022 | 26,4 mld |
| 1997 | 112 mln | 2010 | 2,7 mld | 2023 | 36,9 mld |
| 1998 | 194 mln | 2011 | 3,26 mld | 2024 | 42,9 mld |
| 1999 | 214 mln | 2012 | 4,41 mld | 2025 | 64,8 mld |
| 2000 | 437 mln | 2013 | 4,76 mld | 2026 | 70,3 mld |
| 2001 | 555 mln | 2014 | 4,66 mld | | |
| 2002 | 768 mln | 2015 | 5,23 mld | | |