Tableau de données
| 1980 | 56,2 Md | 1996 | 143 Md | 2012 | 239 Md |
| 1981 | 51,9 Md | 1997 | 139 Md | 2013 | 237 Md |
| 1982 | 54,1 Md | 1998 | 140 Md | 2014 | 234 Md |
| 1983 | 48,9 Md | 1999 | 144 Md | 2015 | 195 Md |
| 1984 | 47,7 Md | 2000 | 127 Md | 2016 | 193 Md |
| 1985 | 47,3 Md | 2001 | 132 Md | 2017 | 200 Md |
| 1986 | 55,6 Md | 2002 | 150 Md | 2018 | 213 Md |
| 1987 | 64,8 Md | 2003 | 197 Md | 2019 | 207 Md |
| 1988 | 75,4 Md | 2004 | 235 Md | 2020 | 191 Md |
| 1989 | 78,1 Md | 2005 | 242 Md | 2021 | 218 Md |
| 1990 | 96,6 Md | 2006 | 269 Md | 2022 | 218 Md |
| 1991 | 104 Md | 2007 | 314 Md | 2023 | 243 Md |
| 1992 | 115 Md | 2008 | 351 Md | 2024 | 256 Md |
| 1993 | 108 Md | 2009 | 326 Md | 2025 | 280 Md |
| 1994 | 115 Md | 2010 | 297 Md | 2026 | 308 Md |
| 1995 | 135 Md | 2011 | 283 Md | | |
Tableau de données
| 1980 | 7,01 Md | 1996 | 101 Md | 2012 | 186 Md |
| 1981 | 8,39 Md | 1997 | 111 Md | 2013 | 178 Md |
| 1982 | 10,6 Md | 1998 | 121 Md | 2014 | 176 Md |
| 1983 | 12,6 Md | 1999 | 129 Md | 2015 | 175 Md |
| 1984 | 15,7 Md | 2000 | 136 Md | 2016 | 174 Md |
| 1985 | 19,1 Md | 2001 | 147 Md | 2017 | 177 Md |
| 1986 | 22,8 Md | 2002 | 159 Md | 2018 | 181 Md |
| 1987 | 25,7 Md | 2003 | 174 Md | 2019 | 185 Md |
| 1988 | 31,3 Md | 2004 | 189 Md | 2020 | 168 Md |
| 1989 | 37,2 Md | 2005 | 195 Md | 2021 | 185 Md |
| 1990 | 44,9 Md | 2006 | 214 Md | 2022 | 207 Md |
| 1991 | 55,5 Md | 2007 | 229 Md | 2023 | 225 Md |
| 1992 | 64,1 Md | 2008 | 239 Md | 2024 | 237 Md |
| 1993 | 72,2 Md | 2009 | 234 Md | 2025 | 248 Md |
| 1994 | 81,9 Md | 2010 | 224 Md | 2026 | 261 Md |
| 1995 | 91,8 Md | 2011 | 203 Md | | |
Tableau de données
| 1980 | 132 Md | 1996 | 152 Md | 2012 | 177 Md |
| 1981 | 130 Md | 1997 | 158 Md | 2013 | 173 Md |
| 1982 | 128 Md | 1998 | 163 Md | 2014 | 175 Md |
| 1983 | 127 Md | 1999 | 167 Md | 2015 | 174 Md |
| 1984 | 129 Md | 2000 | 174 Md | 2016 | 174 Md |
| 1985 | 133 Md | 2001 | 182 Md | 2017 | 177 Md |
| 1986 | 133 Md | 2002 | 191 Md | 2018 | 180 Md |
| 1987 | 130 Md | 2003 | 202 Md | 2019 | 185 Md |
| 1988 | 136 Md | 2004 | 213 Md | 2020 | 168 Md |
| 1989 | 141 Md | 2005 | 215 Md | 2021 | 182 Md |
| 1990 | 141 Md | 2006 | 229 Md | 2022 | 192 Md |
| 1991 | 145 Md | 2007 | 237 Md | 2023 | 196 Md |
| 1992 | 146 Md | 2008 | 237 Md | 2024 | 200 Md |
| 1993 | 144 Md | 2009 | 228 Md | 2025 | 204 Md |
| 1994 | 147 Md | 2010 | 215 Md | 2026 | 208 Md |
| 1995 | 150 Md | 2011 | 193 Md | | |