Tabella dei dati
| 1994 | 22,2% | 2005 | 23,6% | 2016 | 24,1% |
| 1995 | 23,1% | 2006 | 21,8% | 2017 | 24,3% |
| 1996 | 22,6% | 2007 | 22% | 2018 | 24,7% |
| 1997 | 24,7% | 2008 | 23,1% | 2019 | 25,1% |
| 1998 | 23,4% | 2009 | 21,6% | 2020 | 26,4% |
| 1999 | 23,5% | 2010 | 20,9% | 2021 | 23,2% |
| 2000 | 24,4% | 2011 | 23% | 2022 | 25,2% |
| 2001 | 24,5% | 2012 | 22,2% | 2023 | 24,9% |
| 2002 | 24,2% | 2013 | 20,6% | 2024 | 27,2% |
| 2003 | 24,8% | 2014 | 21,2% | 2025 | 26,7% |
| 2004 | 23,5% | 2015 | 21,6% | 2026 | 26,1% |
Tabella dei dati
| 1994 | 1,06 mld | 2005 | 2,16 mld | 2016 | 2,75 mld |
| 1995 | 1,17 mld | 2006 | 2,24 mld | 2017 | 2,86 mld |
| 1996 | 1,22 mld | 2007 | 2,47 mld | 2018 | 2,99 mld |
| 1997 | 1,45 mld | 2008 | 2,6 mld | 2019 | 3,13 mld |
| 1998 | 1,53 mld | 2009 | 2,32 mld | 2020 | 2,7 mld |
| 1999 | 1,61 mld | 2010 | 2,28 mld | 2021 | 2,94 mld |
| 2000 | 1,71 mld | 2011 | 2,55 mld | 2022 | 3,54 mld |
| 2001 | 1,72 mld | 2012 | 2,46 mld | 2023 | 3,64 mld |
| 2002 | 1,73 mld | 2013 | 2,33 mld | 2024 | 4,2 mld |
| 2003 | 1,86 mld | 2014 | 2,41 mld | 2025 | 4,34 mld |
| 2004 | 1,92 mld | 2015 | 2,46 mld | 2026 | 4,49 mld |
Tabella dei dati
| 1994 | 15,9% | 2005 | 26,4% | 2016 | 28,6% |
| 1995 | 17,3% | 2006 | 25% | 2017 | 28% |
| 1996 | 19,1% | 2007 | 26,1% | 2018 | 25% |
| 1997 | 19,6% | 2008 | 27,1% | 2019 | 22,2% |
| 1998 | 17,8% | 2009 | 27,8% | 2020 | 30,6% |
| 1999 | 18,5% | 2010 | 28% | 2021 | 27,1% |
| 2000 | 19,7% | 2011 | 26,5% | 2022 | 26,9% |
| 2001 | 20,7% | 2012 | 28,9% | 2023 | 26,5% |
| 2002 | 29,1% | 2013 | 29,1% | 2024 | 28,1% |
| 2003 | 27,7% | 2014 | 27,4% | 2025 | 27% |
| 2004 | 26,2% | 2015 | 29,2% | 2026 | 26,2% |
Tabella dei dati
| 1994 | 759 mln | 2005 | 2,42 mld | 2016 | 3,28 mld |
| 1995 | 874 mln | 2006 | 2,56 mld | 2017 | 3,29 mld |
| 1996 | 1,03 mld | 2007 | 2,93 mld | 2018 | 3,02 mld |
| 1997 | 1,14 mld | 2008 | 3,04 mld | 2019 | 2,77 mld |
| 1998 | 1,16 mld | 2009 | 2,99 mld | 2020 | 3,13 mld |
| 1999 | 1,26 mld | 2010 | 3,06 mld | 2021 | 3,43 mld |
| 2000 | 1,38 mld | 2011 | 2,94 mld | 2022 | 3,79 mld |
| 2001 | 1,45 mld | 2012 | 3,2 mld | 2023 | 3,87 mld |
| 2002 | 2,09 mld | 2013 | 3,29 mld | 2024 | 4,33 mld |
| 2003 | 2,08 mld | 2014 | 3,11 mld | 2025 | 4,39 mld |
| 2004 | 2,14 mld | 2015 | 3,32 mld | 2026 | 4,5 mld |