. 2019 Apr 25;7:e6825. doi: 10.7717/peerj.6825

Table 2. Total and average citations of articles from the five countries.

Year	USA	UK	Netherlands	France	MC
2007	43,290	24,312	16,271	12,752	2,081
2008	46,372	22,163	11,788	14,367	3,220
2009	45,199	23,610	19,504	16,607	5,507
2010	53,755	30,496	21,830	18,762	5,400
2011	44,716	21,942	18,311	14,707	5,166
2012	41,054	17,728	12,145	12,215	6,114
2013	31,212	15,332	12,507	10,514	4,020
2014	26,894	15,382	11,232	9,587	3,955
2015	18,844	8,939	6,601	5,374	3,348
2016	12,489	6,800	4,536	3,805	1,994
2017	5,509	3,469	2,367	2,332	905
Total citations	369,334	190,173	137,092	121,022	41,710
Average citations	27.6	30.8	31.8	29.8	14.4

Notes.