Tabella dei dati
| 1990 | 26,8% | 2003 | 31% | 2016 | 59,6% |
| 1991 | 26% | 2004 | 29,6% | 2017 | 50,7% |
| 1992 | 25,1% | 2005 | 31,9% | 2018 | 46,2% |
| 1993 | 23,8% | 2006 | 32,6% | 2019 | 39,6% |
| 1994 | 23,8% | 2007 | 35,9% | 2020 | 59,2% |
| 1995 | 25,9% | 2008 | 35,4% | 2021 | 58,8% |
| 1996 | 26,9% | 2009 | 35,6% | 2022 | 62,5% |
| 1997 | 25,9% | 2010 | 36% | 2023 | 60,3% |
| 1998 | 27,1% | 2011 | 30,8% | 2024 | 60,6% |
| 1999 | 26% | 2012 | 30,8% | 2025 | 54,1% |
| 2000 | 29,9% | 2013 | 30,6% | 2026 | 46,6% |
| 2001 | 23,1% | 2014 | 27,2% | | |
| 2002 | 24,5% | 2015 | 43,8% | | |
Tabella dei dati
| 1990 | 153 mln | 2003 | 297 mln | 2016 | 884 mln |
| 1991 | 159 mln | 2004 | 292 mln | 2017 | 737 mln |
| 1992 | 163 mln | 2005 | 325 mln | 2018 | 728 mln |
| 1993 | 164 mln | 2006 | 357 mln | 2019 | 596 mln |
| 1994 | 173 mln | 2007 | 426 mln | 2020 | 847 mln |
| 1995 | 198 mln | 2008 | 453 mln | 2021 | 922 mln |
| 1996 | 216 mln | 2009 | 472 mln | 2022 | 1,07 mld |
| 1997 | 219 mln | 2010 | 484 mln | 2023 | 1,1 mld |
| 1998 | 239 mln | 2011 | 411 mln | 2024 | 1,17 mld |
| 1999 | 234 mln | 2012 | 409 mln | 2025 | 1,12 mld |
| 2000 | 272 mln | 2013 | 420 mln | 2026 | 1,02 mld |
| 2001 | 210 mln | 2014 | 389 mln | | |
| 2002 | 224 mln | 2015 | 660 mln | | |
Tabella dei dati
| 1990 | 31,5% | 2003 | 30,1% | 2016 | 48% |
| 1991 | 29% | 2004 | 30,2% | 2017 | 54% |
| 1992 | 27,4% | 2005 | 31% | 2018 | 63,4% |
| 1993 | 25,2% | 2006 | 29,7% | 2019 | 48,3% |
| 1994 | 27,2% | 2007 | 34,1% | 2020 | 66,8% |
| 1995 | 28,8% | 2008 | 34,7% | 2021 | 67% |
| 1996 | 28,5% | 2009 | 35,9% | 2022 | 69,7% |
| 1997 | 28,2% | 2010 | 39,4% | 2023 | 64,8% |
| 1998 | 33% | 2011 | 35,2% | 2024 | 67,4% |
| 1999 | 35,2% | 2012 | 36,2% | 2025 | 55,4% |
| 2000 | 38,5% | 2013 | 33,4% | 2026 | 47,6% |
| 2001 | 29,6% | 2014 | 32,7% | | |
| 2002 | 28,6% | 2015 | 32,4% | | |
Tabella dei dati
| 1990 | 179 mln | 2003 | 289 mln | 2016 | 712 mln |
| 1991 | 177 mln | 2004 | 299 mln | 2017 | 784 mln |
| 1992 | 177 mln | 2005 | 315 mln | 2018 | 999 mln |
| 1993 | 173 mln | 2006 | 325 mln | 2019 | 727 mln |
| 1994 | 198 mln | 2007 | 404 mln | 2020 | 955 mln |
| 1995 | 220 mln | 2008 | 444 mln | 2021 | 1,05 mld |
| 1996 | 229 mln | 2009 | 476 mln | 2022 | 1,19 mld |
| 1997 | 238 mln | 2010 | 530 mln | 2023 | 1,18 mld |
| 1998 | 292 mln | 2011 | 469 mln | 2024 | 1,3 mld |
| 1999 | 316 mln | 2012 | 481 mln | 2025 | 1,15 mld |
| 2000 | 350 mln | 2013 | 460 mln | 2026 | 1,04 mld |
| 2001 | 269 mln | 2014 | 469 mln | | |
| 2002 | 261 mln | 2015 | 488 mln | | |