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Lord Harris of Greenwich
asked Her Majesty's Government:The total street value of the heroin and cocaine seized by HM Customs and Excise so far in 1983, and the comparable figures for 1979, 1980, 1981 and 1982.
Lord Cockfield
The total quantities and estimated street value of the heroin and cocaine seized by HM Customs and Excise in the first 10 months of 1983 and comparable figures for the years 1979, 1980, 1981 and 1982 are shown in the following table:
| Heroin | Kilograms | £ |
| 1979 | 40.338 | 10,726,075 |
| 1980 | 38.124 | 5,273,179 |
| 1981 | 87.160 | 19.729,235 |
| 1982 | 183.244 | 31,164,737 |
| 1983 (1st January to 28th October) | 143.904 | 15,109,920 |
| Cocaine | ||
| 1979 | 21.553 | 3,488,950 |
| 1980 | 35.686 | 6,052,326 |
| 1981 | 13.597 | 2,272,861 |
| 1982 | 12.117 | 2,276,901 |
| 1983 (1st January to 28th October) | 58.567 | 11,420,564 |