Tabella dei dati
| 1990 | 18,3% | 2003 | 16,9% | 2016 | 23,6% |
| 1991 | 16,9% | 2004 | 18% | 2017 | 19,8% |
| 1992 | 17,9% | 2005 | 17,2% | 2018 | 19,1% |
| 1993 | 17% | 2006 | 19,4% | 2019 | 18,5% |
| 1994 | 16,8% | 2007 | 18,8% | 2020 | 19,8% |
| 1995 | 17,1% | 2008 | 18,5% | 2021 | 18,9% |
| 1996 | 18% | 2009 | 16,3% | 2022 | 18% |
| 1997 | 16,8% | 2010 | 19,7% | 2023 | 16,7% |
| 1998 | 19% | 2011 | 18% | 2024 | 21,9% |
| 1999 | 17,2% | 2012 | 17,6% | 2025 | 22,4% |
| 2000 | 16,6% | 2013 | 16,9% | 2026 | 21,6% |
| 2001 | 15,6% | 2014 | 18,3% | | |
| 2002 | 17,5% | 2015 | 22,4% | | |
Tabella dei dati
| 1990 | 236 mln | 2003 | 433 mln | 2016 | 951 mln |
| 1991 | 229 mln | 2004 | 500 mln | 2017 | 822 mln |
| 1992 | 253 mln | 2005 | 533 mln | 2018 | 857 mln |
| 1993 | 259 mln | 2006 | 683 mln | 2019 | 861 mln |
| 1994 | 284 mln | 2007 | 757 mln | 2020 | 753 mln |
| 1995 | 284 mln | 2008 | 778 mln | 2021 | 816 mln |
| 1996 | 329 mln | 2009 | 609 mln | 2022 | 900 mln |
| 1997 | 332 mln | 2010 | 691 mln | 2023 | 926 mln |
| 1998 | 406 mln | 2011 | 625 mln | 2024 | 1,28 mld |
| 1999 | 389 mln | 2012 | 647 mln | 2025 | 1,38 mld |
| 2000 | 404 mln | 2013 | 604 mln | 2026 | 1,39 mld |
| 2001 | 370 mln | 2014 | 680 mln | | |
| 2002 | 424 mln | 2015 | 870 mln | | |
Tabella dei dati
| 1990 | 18,1% | 2003 | 24,2% | 2016 | 23,8% |
| 1991 | 20,8% | 2004 | 21,9% | 2017 | 22,6% |
| 1992 | 18,7% | 2005 | 21,5% | 2018 | 21,5% |
| 1993 | 19,4% | 2006 | 26% | 2019 | 22,1% |
| 1994 | 21,2% | 2007 | 23,8% | 2020 | 26% |
| 1995 | 21% | 2008 | 23,2% | 2021 | 23,4% |
| 1996 | 19,6% | 2009 | 32,1% | 2022 | 20,8% |
| 1997 | 16,8% | 2010 | 20% | 2023 | 18,4% |
| 1998 | 20,7% | 2011 | 21,1% | 2024 | 20,2% |
| 1999 | 20,3% | 2012 | 18,5% | 2025 | 19,3% |
| 2000 | 21,1% | 2013 | 20,7% | 2026 | 22,3% |
| 2001 | 24,2% | 2014 | 20,9% | | |
| 2002 | 26,3% | 2015 | 24,8% | | |
Tabella dei dati
| 1990 | 234 mln | 2003 | 621 mln | 2016 | 956 mln |
| 1991 | 283 mln | 2004 | 608 mln | 2017 | 935 mln |
| 1992 | 265 mln | 2005 | 665 mln | 2018 | 966 mln |
| 1993 | 297 mln | 2006 | 916 mln | 2019 | 1,03 mld |
| 1994 | 357 mln | 2007 | 957 mln | 2020 | 990 mln |
| 1995 | 349 mln | 2008 | 976 mln | 2021 | 1,01 mld |
| 1996 | 359 mln | 2009 | 1,2 mld | 2022 | 1,04 mld |
| 1997 | 332 mln | 2010 | 700 mln | 2023 | 1,02 mld |
| 1998 | 441 mln | 2011 | 733 mln | 2024 | 1,18 mld |
| 1999 | 458 mln | 2012 | 683 mln | 2025 | 1,18 mld |
| 2000 | 513 mln | 2013 | 741 mln | 2026 | 1,44 mld |
| 2001 | 573 mln | 2014 | 776 mln | | |
| 2002 | 638 mln | 2015 | 964 mln | | |