Rank	Countries/Territories	Count	Percent
1	United States	520	39.8%
2	China	307	23.5%
3	Germany	96	7.4%
4	Latvia	86	6.6%
5	India	47	3.6%
6	Ireland	26	2%
7	France	25	1.9%
8	Romania	23	1.8%
9	Turkey	18	1.4%
10	Japan	17	1.3%
11	Iran, Islamic Republic of	15	1.1%
12	Netherlands	12	0.9%
13	Cyprus	10	0.8%
14	Singapore	9	0.7%
15	Morocco	8	0.6%
16	United Kingdom	8	0.6%
17	South Africa	7	0.5%
18	Canada	7	0.5%
19	Hong Kong	7	0.5%
20	Yemen	6	0.5%
21	Argentina	5	0.4%
22	Brazil	5	0.4%
23	Syrian Arab Republic	5	0.4%
24	Italy	4	0.3%
25	Korea, Republic of	3	0.2%
26	Pakistan	3	0.2%
27	Peru	3	0.2%
28	Bulgaria	3	0.2%
29	Australia	3	0.2%
30	Chile	3	0.2%
31	Indonesia	3	0.2%
32	Ukraine	3	0.2%
33	Algeria	2	0.2%
34	Bangladesh	2	0.2%
35	Iraq	1	0.1%
36	Philippines	1	0.1%
37	Portugal	1	0.1%
38	Russia	1	0.1%
39	Norway	1	0.1%