Rank	Countries/Territories	Count	Percent
1	United States	266	38.8%
2	China	163	23.8%
3	Japan	65	9.5%
4	Germany	63	9.2%
5	United Kingdom	11	1.6%
6	Netherlands	10	1.5%
7	Hong Kong	10	1.5%
8	Australia	10	1.5%
9	Ukraine	8	1.2%
10	Korea, Republic of	6	0.9%
11	Cyprus	5	0.7%
12	Taiwan	5	0.7%
13	Thailand	5	0.7%
14	Portugal	5	0.7%
15	France	4	0.6%
16	Canada	4	0.6%
17	Iran, Islamic Republic of	4	0.6%
18	Ethiopia	3	0.4%
19	Colombia	3	0.4%
20	Philippines	3	0.4%
21	Mexico	3	0.4%
22	Singapore	3	0.4%
23	South Africa	2	0.3%
24	Sweden	2	0.3%
25	Turkey	2	0.3%
26	Mongolia	2	0.3%
27	Pakistan	2	0.3%
28	Chile	2	0.3%
29	Argentina	2	0.3%
30	India	2	0.3%
31	Viet Nam	2	0.3%
32	Israel	1	0.1%
33	Latvia	1	0.1%
34	Bangladesh	1	0.1%
35	Dominican Republic	1	0.1%
36	Egypt	1	0.1%
37	Russia	1	0.1%
38	Saudi Arabia	1	0.1%
39	Switzerland	1	0.1%