Rank	Countries/Territories	Count	Percent
1	United States	369	48.6%
2	China	88	11.6%
3	Pakistan	72	9.5%
4	Germany	42	5.5%
5	Korea, Republic of	22	2.9%
6	Russia	20	2.6%
7	Latvia	16	2.1%
8	Brazil	16	2.1%
9	Australia	15	2%
10	Switzerland	9	1.2%
11	Japan	9	1.2%
12	Denmark	8	1.1%
13	Ukraine	7	0.9%
14	Hong Kong	6	0.8%
15	Turkey	6	0.8%
16	Ireland	6	0.8%
17	Canada	5	0.7%
18	India	4	0.5%
19	Belgium	4	0.5%
20	Costa Rica	3	0.4%
21	Iran, Islamic Republic of	3	0.4%
22	United Kingdom	3	0.4%
23	Cyprus	2	0.3%
24	France	2	0.3%
25	Italy	2	0.3%
26	Taiwan	2	0.3%
27	Thailand	2	0.3%
28	Saudi Arabia	2	0.3%
29	Poland	2	0.3%
30	Romania	2	0.3%
31	Israel	1	0.1%
32	Moldova, Republic of	1	0.1%
33	Netherlands	1	0.1%
34	Oman	1	0.1%
35	Czech Republic	1	0.1%
36	Argentina	1	0.1%
37	Bahrain	1	0.1%
38	Bangladesh	1	0.1%
39	Finland	1	0.1%
40	United Arab Emirates	1	0.1%