Rank	Countries/Territories	Count	Percent
1	United States	453	36.4%
2	China	422	33.9%
3	Germany	93	7.5%
4		46	3.7%
5	Korea, Republic of	39	3.1%
6	France	34	2.7%
7	Iran, Islamic Republic of	19	1.5%
8	Japan	17	1.4%
9	Netherlands	16	1.3%
10	Italy	13	1%
11	Canada	11	0.9%
12	Russia	11	0.9%
13	Cyprus	10	0.8%
14	India	9	0.7%
15	Ireland	6	0.5%
16	Singapore	6	0.5%
17	United Kingdom	6	0.5%
18	Hong Kong	5	0.4%
19	Malaysia	4	0.3%
20	Pakistan	3	0.2%
21	Argentina	3	0.2%
22	Latvia	3	0.2%
23	Libya	2	0.2%
24	Lithuania	2	0.2%
25	Viet Nam	2	0.2%
26	Spain	1	0.1%
27	Sweden	1	0.1%
28	Switzerland	1	0.1%
29	Turkey	1	0.1%
30	Ukraine	1	0.1%
31	Norway	1	0.1%
32	Jordan	1	0.1%
33	Australia	1	0.1%
34	Denmark	1	0.1%