Rank	Countries/Territories	Count	Percent
1	United States	422	43.1%
2	China	241	24.6%
3	Japan	81	8.3%
4	Germany	75	7.7%
5	Canada	25	2.6%
6	Indonesia	22	2.2%
7	Netherlands	14	1.4%
8	Singapore	11	1.1%
9	France	10	1%
10	Russia	8	0.8%
11	Spain	6	0.6%
12	Switzerland	5	0.5%
13	Denmark	5	0.5%
14	Korea, Republic of	4	0.4%
15	Norway	3	0.3%
16	Italy	3	0.3%
17	Portugal	3	0.3%
18	Hong Kong	3	0.3%
19	India	3	0.3%
20	Cyprus	3	0.3%
21	Australia	3	0.3%
22	Brazil	3	0.3%
23	Iran, Islamic Republic of	2	0.2%
24	Ecuador	2	0.2%
25	Thailand	2	0.2%
26	Pakistan	2	0.2%
27	Malaysia	2	0.2%
28	Mauritius	2	0.2%
29	Mexico	2	0.2%
30	Israel	2	0.2%
31	Latvia	1	0.1%
32	Turkey	1	0.1%
33	United Arab Emirates	1	0.1%
34	Sweden	1	0.1%
35	Ghana	1	0.1%
36	Ireland	1	0.1%
37	Bulgaria	1	0.1%
38	Belgium	1	0.1%
39	Argentina	1	0.1%