Rank	Countries/Territories	Count	Percent
1	United States	382	40.2%
2	China	174	18.3%
3	Germany	136	14.3%
4	Iran, Islamic Republic of	33	3.5%
5	Japan	20	2.1%
6	United Kingdom	20	2.1%
7	Canada	19	2%
8	Netherlands	18	1.9%
9	Russia	17	1.8%
10	Chile	13	1.4%
11	Singapore	12	1.3%
12	Spain	11	1.2%
13	Romania	9	0.9%
14	Korea, Republic of	9	0.9%
15	Italy	9	0.9%
16	Viet Nam	8	0.8%
17	Cyprus	6	0.6%
18	India	5	0.5%
19	Saudi Arabia	5	0.5%
20	Portugal	4	0.4%
21	Malaysia	4	0.4%
22	Sweden	3	0.3%
23	Taiwan	3	0.3%
24	France	3	0.3%
25	Czech Republic	3	0.3%
26	Egypt	2	0.2%
27	Colombia	2	0.2%
28	Croatia	2	0.2%
29	Australia	2	0.2%
30	Belgium	2	0.2%
31	Hong Kong	2	0.2%
32	Indonesia	2	0.2%
33	Philippines	2	0.2%
34	Norway	2	0.2%
35	Turkey	2	0.2%
36	Palestine, State of	1	0.1%
37	Peru	1	0.1%
38	Poland	1	0.1%
39	Thailand	1	0.1%
40	Greece	1	0.1%