Rank	Countries/Territories	Count	Percent
1	United States	588	44%
2	China	343	25.7%
3	Germany	212	15.9%
4	Canada	35	2.6%
5	Pakistan	17	1.3%
6	Japan	15	1.1%
7	Singapore	15	1.1%
8	France	15	1.1%
9	India	12	0.9%
10	Australia	11	0.8%
11	Cyprus	10	0.7%
12	Netherlands	8	0.6%
13	Malaysia	6	0.4%
14	United Kingdom	6	0.4%
15	Iran, Islamic Republic of	4	0.3%
16	Hong Kong	3	0.2%
17	Brazil	3	0.2%
18	Norway	3	0.2%
19	Poland	3	0.2%
20	Moldova, Republic of	3	0.2%
21	Saudi Arabia	2	0.1%
22	Peru	2	0.1%
23	Spain	2	0.1%
24	Sweden	2	0.1%
25	Korea, Republic of	2	0.1%
26	Belgium	2	0.1%
27	Czech Republic	2	0.1%
28	Ireland	2	0.1%
29	Indonesia	1	0.1%
30	Gabon	1	0.1%
31	Denmark	1	0.1%
32	Mexico	1	0.1%
33	Palestine, State of	1	0.1%
34	Switzerland	1	0.1%
35	Ukraine	1	0.1%
36	Philippines	1	0.1%