Rank	Countries/Territories	Count	Percent
1	United States	453	45.5%
2	China	234	23.5%
3	Germany	90	9%
4	Spain	38	3.8%
5	Iran, Islamic Republic of	22	2.2%
6	Netherlands	20	2%
7	Japan	13	1.3%
8	Australia	12	1.2%
9	India	11	1.1%
10	Denmark	10	1%
11	Ireland	8	0.8%
12	Canada	8	0.8%
13	Sweden	7	0.7%
14	United Kingdom	6	0.6%
15	France	6	0.6%
16	Belgium	6	0.6%
17	Afghanistan	5	0.5%
18	Ecuador	5	0.5%
19	Hong Kong	5	0.5%
20	Brazil	4	0.4%
21	Peru	4	0.4%
22	Portugal	4	0.4%
23	Mexico	3	0.3%
24	Singapore	3	0.3%
25	Pakistan	2	0.2%
26	Thailand	2	0.2%
27	Russia	2	0.2%
28	Cyprus	2	0.2%
29	Korea, Republic of	2	0.2%
30	Mauritius	2	0.2%
31	Italy	1	0.1%
32	Argentina	1	0.1%
33	Poland	1	0.1%
34	Norway	1	0.1%
35	Ukraine	1	0.1%
36	Switzerland	1	0.1%