Rank	Countries/Territories	Count	Percent
1	United States	464	39.1%
2	China	382	32.2%
3	Germany	72	6.1%
4	Japan	64	5.4%
5	France	37	3.1%
6	Singapore	18	1.5%
7	Korea, Republic of	17	1.4%
8	Canada	17	1.4%
9	Netherlands	13	1.1%
10	United Kingdom	11	0.9%
11	Mexico	10	0.8%
12	Egypt	9	0.8%
13	India	8	0.7%
14	Cyprus	6	0.5%
15	Bulgaria	5	0.4%
16	Russia	5	0.4%
17	Sweden	4	0.3%
18	Taiwan	4	0.3%
19	Italy	4	0.3%
20	Australia	4	0.3%
21	Greece	3	0.3%
22	Portugal	3	0.3%
23	Poland	2	0.2%
24	Turkey	2	0.2%
25	Ukraine	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Israel	2	0.2%
28	Norway	2	0.2%
29	Hong Kong	2	0.2%
30	Bangladesh	2	0.2%
31	Brazil	2	0.2%
32	Argentina	1	0.1%
33	Costa Rica	1	0.1%
34	Latvia	1	0.1%
35	Lithuania	1	0.1%
36	Pakistan	1	0.1%
37	Philippines	1	0.1%
38	Romania	1	0.1%
39	Spain	1	0.1%