Country/Year
Area cultivated
(hectares)
Opium harvest
(kg)
Yield
(kg per hectare)
Pakistan
1964
688
17,377
25.3
1965
339
3,949
11.6
1966
340
1,908
5.6
1967
332
1,347
4.0
1968
332
1,414
4.3
Bulgaria
1964
1965
22242
329
536
1.6
321
315
1.0
1966
84
224
2.7
1967
123
125
1.0
1968
Japan
1964
33
692
21.0
1965
25
163
6.5
1966
6
135
23.0
1967
6
100
17.8
1968
55
98
20.0
A
Opium with 30% moisture content
b Data not available
TABLE 4