Rank	Countries/Territories	Count	Percent
1	United States	170	32.9%
2	China	142	27.5%
3	Canada	20	3.9%
4	Germany	20	3.9%
5	Singapore	20	3.9%
6	Italy	19	3.7%
7	India	17	3.3%
8	Israel	12	2.3%
9	Latvia	12	2.3%
10	France	7	1.4%
11	Australia	6	1.2%
12	Brazil	6	1.2%
13	Russia	6	1.2%
14	Korea, Republic of	5	1%
15	United Kingdom	5	1%
16	Hong Kong	4	0.8%
17	Mexico	4	0.8%
18	Indonesia	3	0.6%
19	Ireland	3	0.6%
20	Ecuador	3	0.6%
21	Cote D'ivoire	3	0.6%
22	Dominican Republic	2	0.4%
23	Algeria	2	0.4%
24	Bangladesh	2	0.4%
25	Iran, Islamic Republic of	2	0.4%
26	Netherlands	2	0.4%
27	Poland	2	0.4%
28	Malaysia	2	0.4%
29	Ukraine	2	0.4%
30	Romania	2	0.4%
31	Slovenia	2	0.4%
32	Sri Lanka	2	0.4%
33	Taiwan	1	0.2%
34	Thailand	1	0.2%
35	Mauritius	1	0.2%
36	Lithuania	1	0.2%
37	Qatar	1	0.2%
38	Norway	1	0.2%
39	Viet Nam	1	0.2%