Tabella dei dati
| 1990 | 21,2% | 2003 | 25,9% | 2016 | 26,2% |
| 1991 | 22,5% | 2004 | 24,2% | 2017 | 25,6% |
| 1992 | 20,3% | 2005 | 27,5% | 2018 | 27% |
| 1993 | 23% | 2006 | 27,1% | 2019 | 26,6% |
| 1994 | 21,9% | 2007 | 21,8% | 2020 | 28,1% |
| 1995 | 22,8% | 2008 | 24,2% | 2021 | 31,6% |
| 1996 | 23,2% | 2009 | 22,8% | 2022 | 32,9% |
| 1997 | 21,6% | 2010 | 23,9% | 2023 | 36,6% |
| 1998 | 22,9% | 2011 | 23,5% | 2024 | 45,2% |
| 1999 | 22% | 2012 | 20,8% | 2025 | 34,1% |
| 2000 | 23,5% | 2013 | 20,9% | 2026 | 31,7% |
| 2001 | 23,5% | 2014 | 24,5% | | |
| 2002 | 21,8% | 2015 | 24,5% | | |
Tabella dei dati
| 1990 | 159 mln | 2003 | 413 mln | 2016 | 752 mln |
| 1991 | 183 mln | 2004 | 391 mln | 2017 | 778 mln |
| 1992 | 170 mln | 2005 | 516 mln | 2018 | 850 mln |
| 1993 | 192 mln | 2006 | 512 mln | 2019 | 872 mln |
| 1994 | 192 mln | 2007 | 446 mln | 2020 | 793 mln |
| 1995 | 210 mln | 2008 | 539 mln | 2021 | 957 mln |
| 1996 | 230 mln | 2009 | 474 mln | 2022 | 1,09 mld |
| 1997 | 229 mln | 2010 | 498 mln | 2023 | 1,32 mld |
| 1998 | 276 mln | 2011 | 493 mln | 2024 | 1,65 mld |
| 1999 | 287 mln | 2012 | 449 mln | 2025 | 1,31 mld |
| 2000 | 330 mln | 2013 | 475 mln | 2026 | 1,27 mld |
| 2001 | 330 mln | 2014 | 603 mln | | |
| 2002 | 319 mln | 2015 | 658 mln | | |
Tabella dei dati
| 1990 | 29% | 2003 | 28,7% | 2016 | 23,5% |
| 1991 | 26,8% | 2004 | 24,7% | 2017 | 22,6% |
| 1992 | 21,8% | 2005 | 26,6% | 2018 | 22,1% |
| 1993 | 23,1% | 2006 | 32,4% | 2019 | 21,6% |
| 1994 | 24,7% | 2007 | 27,7% | 2020 | 32,7% |
| 1995 | 23,2% | 2008 | 27,9% | 2021 | 31,3% |
| 1996 | 26,3% | 2009 | 27,2% | 2022 | 32% |
| 1997 | 26,6% | 2010 | 28% | 2023 | 28,7% |
| 1998 | 25,3% | 2011 | 28,3% | 2024 | 38,3% |
| 1999 | 23,7% | 2012 | 26,2% | 2025 | 39,1% |
| 2000 | 25,6% | 2013 | 28,1% | 2026 | 36,9% |
| 2001 | 29,6% | 2014 | 28,7% | | |
| 2002 | 35,7% | 2015 | 25,3% | | |
Tabella dei dati
| 1990 | 218 mln | 2003 | 458 mln | 2016 | 674 mln |
| 1991 | 218 mln | 2004 | 400 mln | 2017 | 686 mln |
| 1992 | 183 mln | 2005 | 499 mln | 2018 | 695 mln |
| 1993 | 193 mln | 2006 | 611 mln | 2019 | 709 mln |
| 1994 | 217 mln | 2007 | 567 mln | 2020 | 921 mln |
| 1995 | 215 mln | 2008 | 622 mln | 2021 | 947 mln |
| 1996 | 260 mln | 2009 | 566 mln | 2022 | 1,06 mld |
| 1997 | 281 mln | 2010 | 582 mln | 2023 | 1,03 mld |
| 1998 | 305 mln | 2011 | 595 mln | 2024 | 1,4 mld |
| 1999 | 309 mln | 2012 | 566 mln | 2025 | 1,5 mld |
| 2000 | 360 mln | 2013 | 640 mln | 2026 | 1,48 mld |
| 2001 | 415 mln | 2014 | 706 mln | | |
| 2002 | 522 mln | 2015 | 680 mln | | |