Year | Total Candidates | Total Pass (%) | Passed Lvl 1 | Pass Rate Lvl 1 (%) | Passed Lvl 2 | Pass Rate Lvl 2 (%) | Passed Lvl 3 | Pass Rate Lvl 3 (%) |
|---|---|---|---|---|---|---|---|---|
| 1963 | 284 | 94% | - | - | 268 | 94% | ||
| 1964 | 1,732 | 84% | 986 | 79% | 283 | 94% | 179 | 95% |
| 1965 | 1,993 | 83% | 649 | 85% | 678 | 78% | 329 | 91% |
| 1966 | 2,010 | 75% | 481 | 77% | 469 | 66% | 563 | 83% |
| 1967 | 1,693 | 83% | 423 | 71% | 496 | 89% | 491 | 90% |
| 1968 | 1,579 | 73% | 412 | 70% | 334 | 75% | 414 | 77% |
| 1969 | 1,316 | 74% | 409 | 74% | 322 | 78% | 237 | 68% |
| 1970 | 1,409 | 67% | 424 | 66% | 285 | 77% | 238 | 61% |
| 1971 | 1,458 | 69% | 464 | 61% | 253 | 74% | 288 | 80% |
| 1972 | 1,486 | 70% | 466 | 64% | 354 | 77% | 214 | 73% |
| 1973 | 1,630 | 60% | 432 | 60% | 324 | 57% | 222 | 65% |
| 1974 | 1,797 | 74% | 604 | 70% | 377 | 74% | 355 | 84% |
| 1975 | 1,841 | 75% | 568 | 70% | 421 | 75% | 393 | 84% |
| 1976 | 1,706 | 76% | 457 | 72% | 477 | 74% | 363 | 84% |
| 1977 | 1,993 | 74% | 421 | 63% | 510 | 81% | 540 | 78% |
| 1978 | 2,008 | 73% | 596 | 64% | 379 | 85% | 481 | 75% |
| 1979 | 1,876 | 76% | 522 | 63% | 460 | 84% | 441 | 88% |
| 1980 | 1,985 | 73% | 602 | 63% | 407 | 77% | 437 | 86% |
| 1981 | 2,253 | 71% | 677 | 61% | 580 | 85% | 340 | 74% |
| 1982 | 2,886 | 64% | 903 | 59% | 489 | 68% | 469 | 73% |
| 1983 | 3,243 | 65% | 1,082 | 65% | 637 | 65% | 392 | 64% |
| 1984 | 4,030 | 63% | 1,199 | 58% | 701 | 61% | 658 | 81% |
| 1985 | 4,285 | 67% | 1,317 | 60% | 965 | 74% | 579 | 73% |
| 1986 | 4,837 | 65% | 1,405 | 59% | 884 | 64% | 845 | 77% |
| 1987 | 5,702 | 62% | 1,782 | 58% | 995 | 64% | 755 | 72% |
| 1988 | 7,091 | 59% | 2,174 | 55% | 1,163 | 60% | 864 | 71% |
| 1989 | 8,064 | 62% | 2,237 | 54% | 1,590 | 64% | 1,133 | 79% |
| 1990 | 8,760 | 64% | 2,658 | 60% | 1,594 | 63% | 1,360 | 75% |
| 1991 | 9,868 | 62% | 3,087 | 62% | 1,618 | 54% | 1,436 | 75% |
| 1992 | 10,518 | 65% | 2,928 | 59% | 2,258 | 64% | 1,658 | 82% |
| 1993 | 12,809 | 59% | 3,616 | 55% | 2,061 | 56% | 1,936 | 76% |
| 1994 | 15,413 | 52% | 4,087 | 48% | 2,109 | 48% | 1,859 | 73% |
| 1995 | 19,517 | 52% | 5,750 | 51% | 2,535 | 46% | 1,860 | 70% |
| 1996 | 24,600 | 58% | 7,627 | 53% | 4,596 | 65% | 1,999 | 64% |
| 1997 | 30,642 | 55% | 8,847 | 53% | 5,011 | 59% | 3,119 | 59% |
| 1998 | 38,689 | 60% | 12,855 | 59% | 6,433 | 62% | 3,895 | 59% |
| 1999 | 45,143 | 60% | 14,757 | 64% | 7,329 | 54% | 5,015 | 59% |
| 2000 | 53,345 | 55% | 14,314 | 52% | 8,636 | 54% | 6,274 | 65% |
| 2001 | 65,707 | 54% | 17,726 | 49% | 8,322 | 46% | 9,410 | 82% |
| 2002 | 76,231 | 47% | 19,106 | 44% | 10,418 | 47% | 5,924 | 58% |