Tableau de données
| 1980 | 243 M | 1996 | 392 M | 2012 | 1,02 Md |
| 1981 | 213 M | 1997 | 363 M | 2013 | 1,12 Md |
| 1982 | 202 M | 1998 | 364 M | 2014 | 1,15 Md |
| 1983 | 196 M | 1999 | 372 M | 2015 | 966 M |
| 1984 | 189 M | 2000 | 340 M | 2016 | 1,01 Md |
| 1985 | 192 M | 2001 | 373 M | 2017 | 1,08 Md |
| 1986 | 258 M | 2002 | 427 M | 2018 | 1,18 Md |
| 1987 | 313 M | 2003 | 547 M | 2019 | 1,19 Md |
| 1988 | 336 M | 2004 | 622 M | 2020 | 1,22 Md |
| 1989 | 329 M | 2005 | 656 M | 2021 | 1,27 Md |
| 1990 | 402 M | 2006 | 689 M | 2022 | 1,22 Md |
| 1991 | 401 M | 2007 | 796 M | 2023 | 1,33 Md |
| 1992 | 437 M | 2008 | 916 M | 2024 | 1,44 Md |
| 1993 | 428 M | 2009 | 904 M | 2025 | 1,61 Md |
| 1994 | 315 M | 2010 | 909 M | 2026 | 1,81 Md |
| 1995 | 393 M | 2011 | 1,02 Md | | |
Tableau de données
| 1980 | 51,4 Md | 1996 | 151 Md | 2012 | 389 Md |
| 1981 | 57,9 Md | 1997 | 159 Md | 2013 | 413 Md |
| 1982 | 66,4 Md | 1998 | 161 Md | 2014 | 426 Md |
| 1983 | 74,8 Md | 1999 | 172 Md | 2015 | 428 Md |
| 1984 | 82,6 Md | 2000 | 181 Md | 2016 | 450 Md |
| 1985 | 86,2 Md | 2001 | 205 Md | 2017 | 469 Md |
| 1986 | 89,4 Md | 2002 | 222 Md | 2018 | 491 Md |
| 1987 | 94,2 Md | 2003 | 238 Md | 2019 | 522 Md |
| 1988 | 100 Md | 2004 | 246 Md | 2020 | 525 Md |
| 1989 | 105 Md | 2005 | 259 Md | 2021 | 529 Md |
| 1990 | 109 Md | 2006 | 270 Md | 2022 | 571 Md |
| 1991 | 113 Md | 2007 | 286 Md | 2023 | 604 Md |
| 1992 | 116 Md | 2008 | 306 Md | 2024 | 656 Md |
| 1993 | 121 Md | 2009 | 319 Md | 2025 | 701 Md |
| 1994 | 131 Md | 2010 | 337 Md | 2026 | 757 Md |
| 1995 | 147 Md | 2011 | 362 Md | | |
Tableau de données
| 1980 | 151 Md | 1996 | 222 Md | 2012 | 342 Md |
| 1981 | 159 Md | 1997 | 232 Md | 2013 | 357 Md |
| 1982 | 166 Md | 1998 | 232 Md | 2014 | 365 Md |
| 1983 | 171 Md | 1999 | 238 Md | 2015 | 369 Md |
| 1984 | 178 Md | 2000 | 236 Md | 2016 | 381 Md |
| 1985 | 183 Md | 2001 | 248 Md | 2017 | 396 Md |
| 1986 | 187 Md | 2002 | 260 Md | 2018 | 410 Md |
| 1987 | 191 Md | 2003 | 265 Md | 2019 | 417 Md |
| 1988 | 200 Md | 2004 | 273 Md | 2020 | 416 Md |
| 1989 | 198 Md | 2005 | 288 Md | 2021 | 425 Md |
| 1990 | 213 Md | 2006 | 283 Md | 2022 | 436 Md |
| 1991 | 200 Md | 2007 | 286 Md | 2023 | 449 Md |
| 1992 | 214 Md | 2008 | 297 Md | 2024 | 464 Md |
| 1993 | 220 Md | 2009 | 307 Md | 2025 | 481 Md |
| 1994 | 211 Md | 2010 | 318 Md | 2026 | 501 Md |
| 1995 | 223 Md | 2011 | 331 Md | | |