Rank	Countries/Territories	Count	Percent
1	China	479	35.5%
2	United States	372	27.6%
3	Germany	104	7.7%
4	Russia	50	3.7%
5	Korea, Republic of	41	3%
6	Switzerland	37	2.7%
7	Japan	32	2.4%
8	Poland	26	1.9%
9	United Kingdom	24	1.8%
10	Israel	22	1.6%
11	Italy	18	1.3%
12	India	18	1.3%
13	Latvia	14	1%
14	Australia	12	0.9%
15	France	11	0.8%
16	Netherlands	10	0.7%
17	Singapore	9	0.7%
18	Hong Kong	8	0.6%
19	Canada	7	0.5%
20	Taiwan	6	0.4%
21	Iran, Islamic Republic of	5	0.4%
22	Egypt	5	0.4%
23	Cyprus	4	0.3%
24	Belgium	4	0.3%
25	Pakistan	4	0.3%
26	Tanzania, United Republic of	3	0.2%
27	Thailand	3	0.2%
28	Turkey	3	0.2%
29	Ireland	3	0.2%
30	Greece	2	0.1%
31	Venezuela, Bolivarian Republic of	2	0.1%
32	Armenia	1	0.1%
33	Bolivia, Plurinational State of	1	0.1%
34	Brazil	1	0.1%
35	Bangladesh	1	0.1%
36	Czech Republic	1	0.1%
37	Chile	1	0.1%
38	Spain	1	0.1%
39	Portugal	1	0.1%
40	Romania	1	0.1%
41	Malaysia	1	0.1%
42	Mongolia	1	0.1%