Table 1.

Publications in the most productive countries

Country	N	%	N per million people	Total citations	H-index
USA	1041	27.00	3.21	19 848	61
Germany	368	9.55	4.56	6937	44
England	333	8.64	5.17	7899	46
Canada	308	7.99	8.71	4206	32
Italy	272	7.06	4.39	5199	37
France	185	4.80	2.77	3115	28
Japan	167	4.33	1.32	1862	23
Australia	151	3.92	6.57	3983	35
China (PRC)	139	3.61	0.10	836	15
The Netherlands	126	3.27	7.40	2060	21
Spain	126	3.27	2.59	2066	21
Turkey	111	2.88	1.38	684	14
Austria	99	2.57	11.36	2021	27
Switzerland	88	2.28	60.63	1921	25
South Korea	86	2.23	1.69	564	11
Belgium	74	1.92	6.49	1685	25
Brazil	66	1.71	0.32	858	13
Israel	61	1.58	7.46	2018	19
Poland	58	1.51	1.51	880	16
Sweden	57	1.48	5.77	1201	21