Rank	Countries/Territories	Count	Percent
1	United States	580	35.9%
2	China	469	29.1%
3	Germany	180	11.2%
4	Singapore	119	7.4%
5	France	40	2.5%
6	Canada	25	1.5%
7	Netherlands	21	1.3%
8	Australia	17	1.1%
9	Ukraine	16	1%
10	India	15	0.9%
11	Hong Kong	14	0.9%
12	Korea, Republic of	14	0.9%
13	United Kingdom	12	0.7%
14	Cyprus	12	0.7%
15	Japan	9	0.6%
16	Bulgaria	8	0.5%
17	Thailand	7	0.4%
18	Turkey	7	0.4%
19	Russia	7	0.4%
20	Pakistan	5	0.3%
21	Lithuania	4	0.2%
22	Cote D'ivoire	4	0.2%
23	Egypt	3	0.2%
24	Latvia	3	0.2%
25	Uganda	3	0.2%
26	South Africa	3	0.2%
27	Tanzania, United Republic of	3	0.2%
28	Viet Nam	2	0.1%
29	Nigeria	2	0.1%
30	Bangladesh	2	0.1%
31	Brazil	2	0.1%
32	Argentina	1	0.1%
33	Ireland	1	0.1%
34	Ghana	1	0.1%
35	Malaysia	1	0.1%
36	Mongolia	1	0.1%
37	Spain	1	0.1%