Rank	Countries/Territories	Count	Percent
1	United States	264	43.4%
2	China	94	15.5%
3	Germany	63	10.4%
4	Japan	45	7.4%
5	Iran, Islamic Republic of	31	5.1%
6	France	11	1.8%
7	Singapore	10	1.6%
8	Taiwan	10	1.6%
9	Nigeria	7	1.2%
10	Russia	6	1%
11	India	6	1%
12	Indonesia	6	1%
13	Korea, Republic of	6	1%
14	Malaysia	6	1%
15	Canada	6	1%
16	Pakistan	5	0.8%
17	United Kingdom	4	0.7%
18	Australia	3	0.5%
19	Cyprus	3	0.5%
20	Netherlands	3	0.5%
21	Ethiopia	2	0.3%
22	Argentina	2	0.3%
23	Portugal	2	0.3%
24	Ireland	2	0.3%
25	Israel	2	0.3%
26	Sweden	2	0.3%
27	Switzerland	1	0.2%
28	Thailand	1	0.2%
29	Turkey	1	0.2%
30	Cambodia	1	0.2%
31	Greece	1	0.2%
32	Hong Kong	1	0.2%
33	Iraq	1	0.2%