Rank	Countries/Territories	Count	Percent
1	United States	558	43.7%
2	China	374	29.3%
3	Germany	118	9.2%
4	India	28	2.2%
5	Netherlands	25	2%
6	France	20	1.6%
7	Korea, Republic of	18	1.4%
8	Japan	16	1.3%
9	Canada	15	1.2%
10	Slovakia	14	1.1%
11	Singapore	11	0.9%
12	Hong Kong	9	0.7%
13	United Kingdom	8	0.6%
14	Cyprus	7	0.5%
15	Ecuador	5	0.4%
16	Ireland	5	0.4%
17	Poland	4	0.3%
18	Macao	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	Mexico	2	0.2%
24	Mongolia	2	0.2%
25	Spain	2	0.2%
26	Viet Nam	2	0.2%
27	Italy	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Denmark	2	0.2%
30	Brazil	2	0.2%
31	Argentina	2	0.2%
32	Austria	1	0.1%
33	Indonesia	1	0.1%
34	Thailand	1	0.1%
35	Ukraine	1	0.1%
36	United Arab Emirates	1	0.1%
37	Malaysia	1	0.1%