Tableau de données
| 1980 | 47,9% | 1996 | 28,6% | 2012 | 30,2% |
| 1981 | 43,5% | 1997 | 26% | 2013 | 30,6% |
| 1982 | 38,6% | 1998 | 23,8% | 2014 | 28,8% |
| 1983 | 35,5% | 1999 | 25,1% | 2015 | 33,2% |
| 1984 | 35,3% | 2000 | 28,8% | 2016 | 36,7% |
| 1985 | 37% | 2001 | 27,3% | 2017 | 36,9% |
| 1986 | 46,1% | 2002 | 34% | 2018 | 38,1% |
| 1987 | 38,6% | 2003 | 43,1% | 2019 | 39% |
| 1988 | 32,6% | 2004 | 43,8% | 2020 | 44,3% |
| 1989 | 32,5% | 2005 | 42,1% | 2021 | 40,1% |
| 1990 | 29,1% | 2006 | 52,2% | 2022 | 34,8% |
| 1991 | 39,5% | 2007 | 48,9% | 2023 | 42,4% |
| 1992 | 45,3% | 2008 | 46,8% | 2024 | 52,8% |
| 1993 | 54% | 2009 | 41,7% | 2025 | 45% |
| 1994 | 51% | 2010 | 42,1% | 2026 | 42,9% |
| 1995 | 32,9% | 2011 | 28,9% | | |
Tableau de données
| 1980 | 152 Md | 1996 | 300 Md | 2012 | 921 Md |
| 1981 | 158 Md | 1997 | 294 Md | 2013 | 970 Md |
| 1982 | 156 Md | 1998 | 274 Md | 2014 | 936 Md |
| 1983 | 159 Md | 1999 | 316 Md | 2015 | 1,07 Bn |
| 1984 | 178 Md | 2000 | 433 Md | 2016 | 1,18 Bn |
| 1985 | 208 Md | 2001 | 427 Md | 2017 | 1,27 Bn |
| 1986 | 268 Md | 2002 | 531 Md | 2018 | 1,41 Bn |
| 1987 | 245 Md | 2003 | 700 Md | 2019 | 1,46 Bn |
| 1988 | 215 Md | 2004 | 784 Md | 2020 | 1,59 Bn |
| 1989 | 229 Md | 2005 | 845 Md | 2021 | 1,8 Bn |
| 1990 | 217 Md | 2006 | 1,17 Bn | 2022 | 2,07 Bn |
| 1991 | 310 Md | 2007 | 1,17 Bn | 2023 | 2,25 Bn |
| 1992 | 366 Md | 2008 | 1,25 Bn | 2024 | 2,84 Bn |
| 1993 | 459 Md | 2009 | 1,04 Bn | 2025 | 2,48 Bn |
| 1994 | 454 Md | 2010 | 1,12 Bn | 2026 | 2,49 Bn |
| 1995 | 315 Md | 2011 | 832 Md | | |
Tableau de données
| 1980 | 0,1% | 1996 | -14,2% | 2012 | -47,6% |
| 1981 | -0,6% | 1997 | -16,2% | 2013 | -58,2% |
| 1982 | -1,4% | 1998 | -17,9% | 2014 | -72,2% |
| 1983 | -2,4% | 1999 | -18,8% | 2015 | -82,5% |
| 1984 | -3,6% | 2000 | -21,5% | 2016 | -81,1% |
| 1985 | -4,6% | 2001 | -29,9% | 2017 | -76,1% |
| 1986 | -5,9% | 2002 | -29,6% | 2018 | -68,7% |
| 1987 | -6% | 2003 | -33,8% | 2019 | -71,6% |
| 1988 | -10,3% | 2004 | -38,7% | 2020 | -76% |
| 1989 | -10% | 2005 | -44,5% | 2021 | -80,2% |
| 1990 | -10% | 2006 | -52,1% | 2022 | -61,5% |
| 1991 | -11,8% | 2007 | -49,6% | 2023 | -106,4% |
| 1992 | -11,1% | 2008 | -47,3% | 2024 | -149,3% |
| 1993 | -10,2% | 2009 | -42,1% | 2025 | -160,2% |
| 1994 | -9,7% | 2010 | -45,4% | 2026 | -163,5% |
| 1995 | -12,9% | 2011 | -46,1% | | |
Tableau de données
| 1980 | 355 M | 1996 | -149 Md | 2012 | -1,45 Bn |
| 1981 | -2,3 Md | 1997 | -183 Md | 2013 | -1,85 Bn |
| 1982 | -5,46 Md | 1998 | -207 Md | 2014 | -2,35 Bn |
| 1983 | -10,7 Md | 1999 | -237 Md | 2015 | -2,66 Bn |
| 1984 | -18 Md | 2000 | -323 Md | 2016 | -2,61 Bn |
| 1985 | -25,5 Md | 2001 | -466 Md | 2017 | -2,62 Bn |
| 1986 | -34,4 Md | 2002 | -461 Md | 2018 | -2,54 Bn |
| 1987 | -38,2 Md | 2003 | -548 Md | 2019 | -2,67 Bn |
| 1988 | -67,8 Md | 2004 | -692 Md | 2020 | -2,74 Bn |
| 1989 | -70,5 Md | 2005 | -892 Md | 2021 | -3,6 Bn |
| 1990 | -74,5 Md | 2006 | -1,17 Bn | 2022 | -3,65 Bn |
| 1991 | -93 Md | 2007 | -1,18 Bn | 2023 | -5,65 Bn |
| 1992 | -89,6 Md | 2008 | -1,26 Bn | 2024 | -8,04 Bn |
| 1993 | -86,9 Md | 2009 | -1,05 Bn | 2025 | -8,84 Bn |
| 1994 | -86,3 Md | 2010 | -1,21 Bn | 2026 | -9,48 Bn |
| 1995 | -123 Md | 2011 | -1,33 Bn | | |