1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Humanities	71	106	116	90	78	78	83	83	77	90
Health Sciences	200	262	289	278	267	258	263	260	254	255
Social Sciences	75	86	97	96	88	84	80	82	85	86
Theology	14	20	21	24	23	26	23	22	24	21
Science	365	369	352	275	279	285	286	262	260	257
Total	725	843	875	763	735	731	735	709	700	709

The principles applied in counting the number of PhD students registered were changed in 1996