Rank	Countries/Territories	Count	Percent
1	United States	634	45.5%
2	China	267	19.2%
3	Germany	89	6.4%
4	Russia	72	5.2%
5	France	50	3.6%
6	Korea, Republic of	39	2.8%
7	Canada	35	2.5%
8	Japan	26	1.9%
9	Australia	24	1.7%
10	Singapore	16	1.1%
11	United Kingdom	13	0.9%
12	India	13	0.9%
13	Netherlands	12	0.9%
14	Latvia	11	0.8%
15	Ireland	10	0.7%
16	Ukraine	7	0.5%
17	Argentina	6	0.4%
18	Cyprus	6	0.4%
19		5	0.4%
20	Brazil	5	0.4%
21	Iran, Islamic Republic of	5	0.4%
22	Spain	4	0.3%
23	Denmark	4	0.3%
24	Finland	3	0.2%
25	Bulgaria	3	0.2%
26	Sweden	3	0.2%
27	Romania	3	0.2%
28	Malaysia	3	0.2%
29	Lithuania	2	0.1%
30	Israel	2	0.1%
31	Switzerland	2	0.1%
32	Chile	2	0.1%
33	Bangladesh	2	0.1%
34	Greece	2	0.1%
35	Hong Kong	2	0.1%
36	Egypt	2	0.1%
37	Colombia	2	0.1%
38	Thailand	2	0.1%
39	Slovakia	1	0.1%
40	Taiwan	1	0.1%
41	Norway	1	0.1%
42	Italy	1	0.1%
43	Morocco	1	0.1%