Table 2. Comparison of cost data per period and journal type (in €).

Cost data-set	Journal Type	Articles funded	Total costs in €	Mean
FWF
2014	Fully OA	247	316,765	1,282
	Hybrid OA	780	1,794,604	2,301
2015	Fully OA	288	418,408	1,453
	Hybrid OA	912	2,376,356	2,606
Jisc
2014	Fully OA	1,161	1,897,862	1,635
	Hybrid OA	2,938	5,409,623	1,841
2015	Fully OA	1,168	2,211,958	1,894
	Hybrid OA	2,944	6,977,753	2,370
Open APC
2014	Fully OA	1,832	2,353,665	1,285
	Hybrid OA	15	26,546	1,770
2015	Fully OA	1,991	2,820,445	1,417
	Hybrid OA	8	23,412	2,927
Wellcome Trust
2013–2014	Fully OA	607	911,302	1,501
	Hybrid OA	1,894	4,648,878	2,455
2014–2015	Fully OA	775	1,418,097	1,830
	Hybrid OA	2,065	5,690,178	2,756