Rank	Countries/Territories	Count	Percent
1	United States	347	33.1%
2	China	277	26.4%
3	Germany	107	10.2%
4	Belgium	39	3.7%
5	Canada	35	3.3%
6	Pakistan	33	3.1%
7	France	24	2.3%
8	Korea, Republic of	24	2.3%
9	India	21	2%
10	Japan	19	1.8%
11	Iran, Islamic Republic of	16	1.5%
12	Argentina	15	1.4%
13	Singapore	8	0.8%
14	Netherlands	7	0.7%
15	Cyprus	7	0.7%
16	Brazil	6	0.6%
17	Thailand	6	0.6%
18	Hong Kong	6	0.6%
19	Sweden	5	0.5%
20	Australia	5	0.5%
21	United Kingdom	5	0.5%
22	Chile	3	0.3%
23	Ghana	3	0.3%
24	Ireland	3	0.3%
25	Ukraine	3	0.3%
26	Peru	3	0.3%
27	Russia	2	0.2%
28	Slovakia	2	0.2%
29	Jordan	2	0.2%
30	Latvia	2	0.2%
31	Lithuania	2	0.2%
32	Italy	2	0.2%
33	Egypt	2	0.2%
34	Cuba	2	0.2%
35	Bangladesh	2	0.2%
36	Bulgaria	2	0.2%
37	Finland	1	0.1%
38	Mongolia	1	0.1%