Rank	Countries/Territories	Count	Percent
1	United States	566	37.7%
2	China	292	19.5%
3	Germany	204	13.6%
4	Italy	77	5.1%
5	Latvia	52	3.5%
6	India	35	2.3%
7	Canada	33	2.2%
8	France	31	2.1%
9	Japan	24	1.6%
10	Russia	24	1.6%
11	United Kingdom	16	1.1%
12	Netherlands	14	0.9%
13	Cyprus	14	0.9%
14	Iran, Islamic Republic of	13	0.9%
15	Taiwan	11	0.7%
16	Korea, Republic of	9	0.6%
17	Australia	8	0.5%
18	Hong Kong	7	0.5%
19	Romania	7	0.5%
20	Syrian Arab Republic	7	0.5%
21	Indonesia	5	0.3%
22	Malaysia	4	0.3%
23	Ireland	4	0.3%
24	Turkey	4	0.3%
25	Ukraine	4	0.3%
26	Peru	3	0.2%
27	Philippines	3	0.2%
28	Singapore	3	0.2%
29	Spain	3	0.2%
30	Switzerland	3	0.2%
31	Bangladesh	3	0.2%
32	Egypt	2	0.1%
33	Georgia	2	0.1%
34	Mongolia	2	0.1%
35	Argentina	2	0.1%
36	Iraq	2	0.1%
37	Mexico	1	0.1%
38	Belarus	1	0.1%
39	Belgium	1	0.1%
40	Bosnia and Herzegovina	1	0.1%
41	Chile	1	0.1%
42	Colombia	1	0.1%
43	Thailand	1	0.1%