TABLE 1.

Number and percent of PhD alumni for whom data were missing in our initial retrospective study (2017)

Cohort	Count of trainees	% No job titlea 1996–2016	Completely unknownb 1996–2016	% Completely unknownb 1996–2016	% No job titlec 2017	Completely unknownd 2017	% Completely unknownd 2017
1996	83	39	3	4	17	2	5
1997	77	45	6	8	17	3	6
1998	102	35	14	14	3	3	3
1999	98	38	6	6	16	9	10
2000	122	35	10	8	19	13	11
2001	108	23	2	2	12	3	3
2002	142	28	12	8	16	22	15
2003	147	22	5	3	12	7	5
2004	127	24	6	5	13	11	9
2005	153	15	0	0	10	2	1
2006	128	16	11	9	10	13	10
2007	137	16	1	1	9	1	1
2008	116	10	1	1	9	4	3
2009	96	13	0	0	11	0	0
2010	70	13	2	3	10	2	3
2011	50	18	3	6	12	3	6
2012	38	18	3	8	19	4	11
Total	1794	24	85	5	12	102	6

^aJob title not found for previous years.

^bNo information found for previous years (job title, organization, location).

^cJob title not found for 2017 (current position at the time of search).

^dNo information found for 2017 (current job title, organization, location at the time of search).