Rank	Countries/Territories	Count	Percent
1	United States	293	38.3%
2	China	216	28.2%
3	Germany	47	6.1%
4	Japan	23	3%
5	Pakistan	19	2.5%
6	Russia	18	2.4%
7	Hong Kong	15	2%
8	India	13	1.7%
9	Mexico	13	1.7%
10	Canada	11	1.4%
11	Australia	8	1%
12	Italy	7	0.9%
13	Singapore	7	0.9%
14	Thailand	7	0.9%
15	France	6	0.8%
16	Turkey	5	0.7%
17	Korea, Republic of	5	0.7%
18	Norway	5	0.7%
19	Malaysia	4	0.5%
20	Taiwan	4	0.5%
21	United Kingdom	4	0.5%
22	Iran, Islamic Republic of	4	0.5%
23	Czech Republic	4	0.5%
24	Ireland	3	0.4%
25	Nigeria	3	0.4%
26	Poland	2	0.3%
27	Romania	2	0.3%
28	Morocco	2	0.3%
29	Ukraine	2	0.3%
30	Switzerland	2	0.3%
31	Egypt	2	0.3%
32	Brazil	2	0.3%
33	Bahrain	1	0.1%
34	Belgium	1	0.1%
35	Estonia	1	0.1%
36	Finland	1	0.1%
37	Croatia	1	0.1%
38	Tunisia	1	0.1%
39	Netherlands	1	0.1%