Rank	Countries/Territories	Count	Percent
1	United States	584	41.7%
2	China	454	32.4%
3	Germany	118	8.4%
4	India	29	2.1%
5	Slovakia	26	1.9%
6	Netherlands	25	1.8%
7	France	20	1.4%
8	Japan	18	1.3%
9	Korea, Republic of	18	1.3%
10	Canada	15	1.1%
11	Singapore	11	0.8%
12	Hong Kong	10	0.7%
13	Cyprus	8	0.6%
14	United Kingdom	8	0.6%
15	Ireland	5	0.4%
16	Ecuador	5	0.4%
17	Macao	4	0.3%
18	Poland	4	0.3%
19	Sweden	4	0.3%
20	Switzerland	4	0.3%
21	South Africa	3	0.2%
22	Nigeria	3	0.2%
23	Iran, Islamic Republic of	2	0.1%
24	Italy	2	0.1%
25	Mexico	2	0.1%
26	Mongolia	2	0.1%
27	Spain	2	0.1%
28	Denmark	2	0.1%
29	Brazil	2	0.1%
30	Argentina	2	0.1%
31	Viet Nam	2	0.1%
32	Austria	1	0.1%
33	Malaysia	1	0.1%
34	Indonesia	1	0.1%
35	Thailand	1	0.1%
36	Ukraine	1	0.1%
37	United Arab Emirates	1	0.1%