Rank	Countries/Territories	Count	Percent
1	United States	259	35.3%
2	China	242	33%
3	Germany	70	9.5%
4	India	29	4%
5	Iran, Islamic Republic of	17	2.3%
6	Singapore	15	2%
7	France	13	1.8%
8	Japan	11	1.5%
9	Pakistan	11	1.5%
10	Malaysia	7	1%
11	Australia	6	0.8%
12	Cyprus	5	0.7%
13	Egypt	5	0.7%
14	Mexico	4	0.5%
15	Netherlands	4	0.5%
16	Switzerland	4	0.5%
17	Portugal	3	0.4%
18	Romania	3	0.4%
19	Indonesia	3	0.4%
20	Korea, Republic of	3	0.4%
21	Kuwait	3	0.4%
22	Brazil	2	0.3%
23	Canada	2	0.3%
24	Colombia	2	0.3%
25	Russia	2	0.3%
26	Ukraine	2	0.3%
27	United Kingdom	2	0.3%
28	Thailand	1	0.1%
29	Spain	1	0.1%
30	Ethiopia	1	0.1%
31	Argentina	1	0.1%