Rank	Countries/Territories	Count	Percent
1	United States	308	33.3%
2	China	295	31.9%
3	Germany	75	8.1%
4	India	30	3.2%
5	Japan	23	2.5%
6	Korea, Republic of	18	1.9%
7	Hong Kong	18	1.9%
8		18	1.9%
9	Netherlands	17	1.8%
10	Australia	14	1.5%
11	Russia	13	1.4%
12	France	11	1.2%
13	Cyprus	8	0.9%
14	Taiwan	7	0.8%
15	Turkey	6	0.6%
16	Canada	6	0.6%
17	Ireland	6	0.6%
18	Thailand	5	0.5%
19	Singapore	4	0.4%
20	Philippines	4	0.4%
21	Latvia	4	0.4%
22	Peru	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Iraq	3	0.3%
25	Egypt	3	0.3%
26	United Kingdom	3	0.3%
27	Sri Lanka	2	0.2%
28	Viet Nam	2	0.2%
29	Colombia	2	0.2%
30	Italy	2	0.2%
31	Malaysia	2	0.2%
32	Slovakia	2	0.2%
33	Saudi Arabia	2	0.2%
34	Spain	1	0.1%
35	Ukraine	1	0.1%
36	Nepal	1	0.1%
37	Indonesia	1	0.1%
38	Argentina	1	0.1%