Number of injections administered at the Léopoldville STD clinics, 1949–1954.16
| 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | |
| Arsenical drugs | 37 974 | 39 944 | 24 702 | 21 307 | 44 545 | 14 379 |
| Bismuthic/mercurial drugs | 63 436 | 60 840 | 46 630 | 34 351 | 74 241 | 35 299 |
| Penicillin | 6857 | 18 216 | 10 636 | 15 791 | 17 863 | 35 062 |
| Pyretogenic products | – | – | 18 272 | 25 831 | 14 578 | 11 916 |
| Streptomycin | – | – | – | 252 | 1164 | 500 |
| Urotropin/folliculin | – | – | – | 780 | 2181 | 570 |
| Total | 108 267 | 119 000 | 100 240 | 98 312 | 154 572 | 97 726 |