Rank	Countries/Territories	Count	Percent
1	United States	393	40.8%
2	China	269	27.9%
3	Germany	108	11.2%
4	France	20	2.1%
5	Ireland	18	1.9%
6	Iran, Islamic Republic of	14	1.5%
7	India	14	1.5%
8	Brazil	12	1.2%
9	Canada	12	1.2%
10	Netherlands	11	1.1%
11	Japan	9	0.9%
12	Russia	8	0.8%
13	Hong Kong	7	0.7%
14	Kuwait	7	0.7%
15	Mexico	6	0.6%
16	Korea, Republic of	6	0.6%
17	Cyprus	5	0.5%
18	Indonesia	5	0.5%
19	Australia	4	0.4%
20	Portugal	4	0.4%
21	Singapore	4	0.4%
22	United Kingdom	3	0.3%
23	Italy	3	0.3%
24	Jamaica	3	0.3%
25	Mongolia	2	0.2%
26	Argentina	2	0.2%
27	Guatemala	2	0.2%
28	Viet Nam	2	0.2%
29	Iraq	1	0.1%
30	Israel	1	0.1%
31	Chile	1	0.1%
32	Colombia	1	0.1%
33	Norway	1	0.1%
34	Philippines	1	0.1%
35	Romania	1	0.1%
36	Sweden	1	0.1%
37	Switzerland	1	0.1%
38	Tunisia	1	0.1%
39	Ukraine	1	0.1%