Table 6.
year | USA/Canada | Eurasia | Europe | Asia/Pacific | Middle East | Latin America | Africa | world total |
---|---|---|---|---|---|---|---|---|
1950 | 178 | 6 | 5 | 2 | 0 | 5 | 0 | 196 |
1960 | 375 | 45 | 24 | 5 | 3 | 14 | 0 | 466 |
1970 | 691 | 193 | 88 | 16 | 20 | 31 | 3 | 1042 |
1980 | 628 | 435 | 259 | 69 | 40 | 60 | 19 | 1511 |
1985 | 552 | 643 | 260 | 113 | 67 | 78 | 53 | 1767 |
1990 | 614 | 815 | 244 | 158 | 105 | 83 | 70 | 2088 |
1995 | 684 | 705 | 279 | 216 | 141 | 100 | 85 | 2213 |
2000 | 726 | 715 | 311 | 272 | 214 | 137 | 126 | 2505 |
2005 | 697 | 816 | 323 | 368 | 317 | 181 | 173 | 2876 |