AR	ST	HE	BSS	I alt
Age of graduation (years)	36	30	35	31	32
Effective duration of studies 5+3 programme *)	3,9	3,2	3,2	3,2	3,2
Effective duration of studies4+4 programme *)	4,3	4,1	3,8	4,0	4,1
Effective duration of studies 3+5 programme *)	-	5,1	-	-	5,1
Number of female PhD students	157	302	396	138	993
Number of male PhD students	79	454	237	106	876
Period abroad (1-3 months)	23	48	64	22	157
Period abroad (minimum 3 months)	20	69	28	44	161
Number of foreign PhD students	37	317	95	68	517

*) Effective duration of studies defined by Universities Denmark's Statistical Service. This definition differs from previous statements of degree completion time.