Rank	Countries/Territories	Count	Percent
1	United States	496	38%
2	China	401	30.7%
3	Germany	105	8%
4	Japan	83	6.4%
5	Russia	34	2.6%
6	France	25	1.9%
7	Canada	25	1.9%
8	Singapore	15	1.1%
9	Netherlands	12	0.9%
10	Cyprus	9	0.7%
11	Korea, Republic of	8	0.6%
12	Ireland	8	0.6%
13	United Kingdom	8	0.6%
14	Mexico	6	0.5%
15	Hong Kong	6	0.5%
16	Colombia	6	0.5%
17	Australia	6	0.5%
18	Iran, Islamic Republic of	5	0.4%
19	Latvia	5	0.4%
20	Brazil	4	0.3%
21	Taiwan	4	0.3%
22	Viet Nam	4	0.3%
23	Spain	3	0.2%
24	New Zealand	3	0.2%
25	Lithuania	3	0.2%
26	India	3	0.2%
27	Croatia	2	0.2%
28	Nigeria	2	0.2%
29	Portugal	2	0.2%
30	Saudi Arabia	2	0.2%
31	Sweden	2	0.2%
32	Uganda	2	0.2%
33	Ukraine	2	0.2%
34	Turkey	1	0.1%
35	Switzerland	1	0.1%
36	Israel	1	0.1%
37	Bulgaria	1	0.1%
38	Bangladesh	1	0.1%