Table 3 Distribution and time series trends by academic field, 2004−2023

	Humanities			Law	Social science								Total
	Philosophy ethics	Literature etc.	Sub-total		Economics	Political science	Sociology	Psychology	Area studies	Education	Tourism, etc.	Sub-total
2004−2005	0	0	0	4	1	0	0	1	0	0	0	2	6
2006−2007	0	0	0	6	1	1	0	0	0	0	0	2	8
2008−2009	1	0	1	4	2	0	0	0	0	0	0	2	7
2010−2011	0	0	0	4	11	1	0	1	0	0	1	14	18
2012−2013	0	1	1	4	9	1	3	0	1	0	1	15	20
2014−2015	2	0	2	15	7	1	2	1	0	1	1	13	30
2016−2017	4	1	5	26	9	5	2	0	1	0	1	18	49
2018−2019	8	0	8	21	19	11	5	1	0	2	0	38	67
2020−2021	10	3	13	49	34	11	9	9	6	1	0	70	132
2022−2023	17	1	18	58	31	6	5	7	5	2	2	58	134
Total	42	6	48 (10.2%)	191 (40.5%)	124	37	26	20	13	6	6	232 (49.3%)	471 (100.0%)