Rank	Countries/Territories	Count	Percent
1	United States	411	43.4%
2	China	241	25.4%
3	Germany	87	9.2%
4	Netherlands	24	2.5%
5	Japan	16	1.7%
6	Canada	16	1.7%
7	India	14	1.5%
8	Russia	13	1.4%
9	Singapore	12	1.3%
10	Korea, Republic of	11	1.2%
11	France	11	1.2%
12	Hong Kong	8	0.8%
13	United Kingdom	8	0.8%
14	Poland	7	0.7%
15	Ireland	6	0.6%
16	Malaysia	6	0.6%
17	Ukraine	6	0.6%
18	Egypt	5	0.5%
19	Cyprus	5	0.5%
20	Australia	5	0.5%
21	Iran, Islamic Republic of	4	0.4%
22	Romania	4	0.4%
23	Spain	4	0.4%
24	Lithuania	3	0.3%
25	Argentina	3	0.3%
26	Albania	2	0.2%
27	Chile	2	0.2%
28	Pakistan	2	0.2%
29	Sweden	2	0.2%
30	Switzerland	1	0.1%
31	Saudi Arabia	1	0.1%
32	Peru	1	0.1%
33	Norway	1	0.1%
34	Luxembourg	1	0.1%
35	Jordan	1	0.1%
36	Denmark	1	0.1%
37	Brazil	1	0.1%
38	Finland	1	0.1%