Rank	Countries/Territories	Count	Percent
1	China	439	35.7%
2	United States	351	28.5%
3	Germany	91	7.4%
4	Russia	45	3.7%
5	Korea, Republic of	40	3.2%
6	Switzerland	32	2.6%
7	Poland	26	2.1%
8	United Kingdom	24	1.9%
9	Israel	21	1.7%
10	Italy	18	1.5%
11	Japan	17	1.4%
12	India	15	1.2%
13	Latvia	14	1.1%
14	Australia	12	1%
15	Netherlands	9	0.7%
16	France	8	0.6%
17	Hong Kong	8	0.6%
18	Canada	7	0.6%
19	Taiwan	6	0.5%
20	Singapore	5	0.4%
21	Iran, Islamic Republic of	5	0.4%
22	Belgium	4	0.3%
23	Pakistan	4	0.3%
24	Tanzania, United Republic of	3	0.2%
25	Thailand	3	0.2%
26	Turkey	3	0.2%
27	Ireland	3	0.2%
28	Egypt	3	0.2%
29	Greece	2	0.2%
30	Venezuela, Bolivarian Republic of	2	0.2%
31	Armenia	1	0.1%
32	Bolivia, Plurinational State of	1	0.1%
33	Bangladesh	1	0.1%
34	Chile	1	0.1%
35	Cyprus	1	0.1%
36	Czech Republic	1	0.1%
37	Spain	1	0.1%
38	Portugal	1	0.1%
39	Romania	1	0.1%
40	Malaysia	1	0.1%
41	Mongolia	1	0.1%