Tabella dei dati
| 1980 | 2,8% | 1996 | 6,8% | 2012 | 13,7% |
| 1981 | 1,9% | 1997 | 5,8% | 2013 | 12,4% |
| 1982 | 2,7% | 1998 | 6,5% | 2014 | 13,2% |
| 1983 | 2,4% | 1999 | 5,5% | 2015 | 14,6% |
| 1984 | 3,7% | 2000 | 8% | 2016 | 13,1% |
| 1985 | 4,9% | 2001 | 10,1% | 2017 | 13,6% |
| 1986 | 6% | 2002 | 7,9% | 2018 | 14,1% |
| 1987 | 6,4% | 2003 | 10,1% | 2019 | 15% |
| 1988 | 6,2% | 2004 | 11,7% | 2020 | 14,1% |
| 1989 | 6,4% | 2005 | 11% | 2021 | 15,2% |
| 1990 | 4,7% | 2006 | 11,3% | 2022 | 15,7% |
| 1991 | 5,6% | 2007 | 11,9% | 2023 | 15,2% |
| 1992 | 4,7% | 2008 | 11,1% | 2024 | 15,8% |
| 1993 | 6,7% | 2009 | 11,5% | 2025 | 15,7% |
| 1994 | 7,7% | 2010 | 11,8% | 2026 | 16,8% |
| 1995 | 8,4% | 2011 | 14% | | |
Tabella dei dati
| 1980 | 0 mln | 1996 | 186 mln | 2012 | 13,9 mld |
| 1981 | 0 mln | 1997 | 203 mln | 2013 | 15,5 mld |
| 1982 | 1 mln | 1998 | 279 mln | 2014 | 20,9 mld |
| 1983 | 1 mln | 1999 | 279 mln | 2015 | 26,8 mld |
| 1984 | 2 mln | 2000 | 539 mln | 2016 | 28,9 mld |
| 1985 | 4 mln | 2001 | 953 mln | 2017 | 35,8 mld |
| 1986 | 8 mln | 2002 | 957 mln | 2018 | 43,5 mld |
| 1987 | 12 mln | 2003 | 1,65 mld | 2019 | 53,4 mld |
| 1988 | 17 mln | 2004 | 2,29 mld | 2020 | 55,1 mld |
| 1989 | 24 mln | 2005 | 2,63 mld | 2021 | 70,1 mld |
| 1990 | 24 mln | 2006 | 3,19 mld | 2022 | 96,7 mld |
| 1991 | 37 mln | 2007 | 4,05 mld | 2023 | 135 mld |
| 1992 | 36 mln | 2008 | 4,81 mld | 2024 | 187 mld |
| 1993 | 63 mln | 2009 | 6,02 mld | 2025 | 225 mld |
| 1994 | 99 mln | 2010 | 7,69 mld | 2026 | 268 mld |
| 1995 | 159 mln | 2011 | 11,4 mld | | |
Tabella dei dati
| 1980 | 7,5% | 1996 | 12,4% | 2012 | 22,1% |
| 1981 | 5,7% | 1997 | 12% | 2013 | 21,6% |
| 1982 | 4,7% | 1998 | 11,8% | 2014 | 21% |
| 1983 | 3,5% | 1999 | 11,1% | 2015 | 18,6% |
| 1984 | 4,6% | 2000 | 12% | 2016 | 19,9% |
| 1985 | 6,1% | 2001 | 13,8% | 2017 | 17,6% |
| 1986 | 7,3% | 2002 | 10,7% | 2018 | 20,9% |
| 1987 | 7,3% | 2003 | 12,1% | 2019 | 22,5% |
| 1988 | 7,2% | 2004 | 13,7% | 2020 | 31,5% |
| 1989 | 7,2% | 2005 | 12,9% | 2021 | 27,2% |
| 1990 | 6,6% | 2006 | 14,4% | 2022 | 27,5% |
| 1991 | 7,1% | 2007 | 16,8% | 2023 | 18,5% |
| 1992 | 9,2% | 2008 | 16,6% | 2024 | 22% |
| 1993 | 12,1% | 2009 | 16,6% | 2025 | 17% |
| 1994 | 12,7% | 2010 | 19% | 2026 | 19% |
| 1995 | 13% | 2011 | 19,5% | | |
Tabella dei dati
| 1980 | 1 mln | 1996 | 338 mln | 2012 | 22,4 mld |
| 1981 | 1 mln | 1997 | 417 mln | 2013 | 26,8 mld |
| 1982 | 1 mln | 1998 | 505 mln | 2014 | 33,3 mld |
| 1983 | 2 mln | 1999 | 568 mln | 2015 | 34,2 mld |
| 1984 | 3 mln | 2000 | 806 mln | 2016 | 43,7 mld |
| 1985 | 5 mln | 2001 | 1,3 mld | 2017 | 46,2 mld |
| 1986 | 10 mln | 2002 | 1,29 mld | 2018 | 64,5 mld |
| 1987 | 14 mln | 2003 | 1,98 mld | 2019 | 80,2 mld |
| 1988 | 20 mln | 2004 | 2,69 mld | 2020 | 124 mld |
| 1989 | 27 mln | 2005 | 3,08 mld | 2021 | 126 mld |
| 1990 | 34 mln | 2006 | 4,07 mld | 2022 | 169 mld |
| 1991 | 46 mln | 2007 | 5,73 mld | 2023 | 165 mld |
| 1992 | 71 mln | 2008 | 7,23 mld | 2024 | 260 mld |
| 1993 | 114 mln | 2009 | 8,65 mld | 2025 | 244 mld |
| 1994 | 163 mln | 2010 | 12,3 mld | 2026 | 304 mld |
| 1995 | 244 mln | 2011 | 15,9 mld | | |