Rank	Countries/Territories	Count	Percent
1	United States	590	38.9%
2	China	522	34.4%
3	Germany	90	5.9%
4	Japan	63	4.2%
5	France	35	2.3%
6	Netherlands	28	1.8%
7	Singapore	27	1.8%
8	Canada	20	1.3%
9	Korea, Republic of	12	0.8%
10	Iran, Islamic Republic of	11	0.7%
11	Cyprus	10	0.7%
12	Ireland	9	0.6%
13	India	9	0.6%
14	Australia	7	0.5%
15	Russia	7	0.5%
16	Pakistan	7	0.5%
17	United Kingdom	7	0.5%
18	Taiwan	6	0.4%
19	Greece	6	0.4%
20	Philippines	5	0.3%
21	Togo	4	0.3%
22	Thailand	3	0.2%
23	Spain	3	0.2%
24	Viet Nam	3	0.2%
25	Morocco	3	0.2%
26	Norway	3	0.2%
27	Bangladesh	3	0.2%
28	Brazil	3	0.2%
29	Argentina	2	0.1%
30	Austria	2	0.1%
31	Denmark	2	0.1%
32	Malaysia	2	0.1%
33	Latvia	2	0.1%
34	Switzerland	2	0.1%
35	Turkey	1	0.1%
36	Sweden	1	0.1%
37	Luxembourg	1	0.1%
38	Mongolia	1	0.1%
39	South Africa	1	0.1%
40	Poland	1	0.1%
41	Romania	1	0.1%
42	Belgium	1	0.1%
43	Bulgaria	1	0.1%