Rank	Countries/Territories	Count	Percent
1	United States	220	39.8%
2	China	103	18.6%
3	United Kingdom	38	6.9%
4	Germany	37	6.7%
5	Iran, Islamic Republic of	36	6.5%
6	India	14	2.5%
7	Japan	13	2.4%
8	Ireland	8	1.4%
9	Greece	7	1.3%
10	Singapore	7	1.3%
11	Sweden	6	1.1%
12	Mexico	5	0.9%
13	Morocco	5	0.9%
14	Cyprus	5	0.9%
15	Canada	4	0.7%
16	Netherlands	4	0.7%
17	Malaysia	4	0.7%
18	Russia	3	0.5%
19	Palestine, State of	3	0.5%
20	Italy	3	0.5%
21	Korea, Republic of	3	0.5%
22	Egypt	3	0.5%
23	Australia	3	0.5%
24	Bahrain	2	0.4%
25	Puerto Rico	2	0.4%
26	Romania	2	0.4%
27	Norway	2	0.4%
28	Ukraine	2	0.4%
29	Switzerland	1	0.2%
30	Thailand	1	0.2%
31	Turkey	1	0.2%
32	Philippines	1	0.2%
33	Poland	1	0.2%
34	Brazil	1	0.2%
35	Colombia	1	0.2%
36	Ghana	1	0.2%
37	Indonesia	1	0.2%