Source: R. G. Pikhoia, Sovetskii Soiuz – Istoriia Vlasti, 1945–1991 (Moscow 1998, pp. 365–6).
Criminal prosecutions versus ‘prophylactic’ measures by the KGB, 1959–74.
A. Criminal prosecutions
| 1959–62 | 1963–6 | 1967–70 | 1971–4 | |
| total brought to court | 5413 | 3251 | 2456 | 2423 |
| treason | 1010 | 457 | 423 | 350 |
| spying | 28 | 8 | 0 | 9 |
| antisov agitprop | 1601 | 502 | 381 | 348 |
| smuggling | 47 | 110 | 183 | 474 |
| illegal currency operations | 587 | 474 | 382 | 401 |
| illegal frontiers crossing | 926 | 613 | 704 | 553 |
| divulging state secrets | 22 | 31 | 18 | |
| other crimes | 1003 | 1011 | 321 | 258 |
(These actions were not registered in earlier years)
| 1959–62 | 1963–66 | 1967–70 | 1971–74 | |
| ‘profiled’ total | – | – | 58298 | 63108 |
| suspicious contacts with foreigners nurturing treasonable intentions | 5039 | 6310 | ||
| politically damaging manifestations | – | – | 35316 | 34700 |
| ‘profiled’ with community participation | 23611 | 27079 | ||
| official warning issued | – | – | – | 981 |
| brought to court from those previously ‘profiled’ | 100 | 50 |