Rank	Countries/Territories	Count	Percent
1	United States	581	46.3%
2	China	357	28.4%
3	Germany	80	6.4%
4	Poland	28	2.2%
5	Australia	27	2.1%
6	Japan	26	2.1%
7	France	25	2%
8	Canada	24	1.9%
9	India	20	1.6%
10	Taiwan	15	1.2%
11	Netherlands	9	0.7%
12	Korea, Republic of	7	0.6%
13	Ireland	5	0.4%
14	Thailand	5	0.4%
15	Belgium	5	0.4%
16	Austria	4	0.3%
17	Argentina	3	0.2%
18	Singapore	3	0.2%
19	Malaysia	3	0.2%
20	Latvia	3	0.2%
21	Algeria	2	0.2%
22	Colombia	2	0.2%
23	Cyprus	2	0.2%
24	Egypt	2	0.2%
25	Hong Kong	2	0.2%
26	Hungary	2	0.2%
27	Sweden	2	0.2%
28	Switzerland	2	0.2%
29	Iran, Islamic Republic of	1	0.1%
30	Iraq	1	0.1%
31	Chile	1	0.1%
32	Bangladesh	1	0.1%
33	Lithuania	1	0.1%
34	Mongolia	1	0.1%
35	Spain	1	0.1%
36	Russia	1	0.1%
37	Turkey	1	0.1%
38	Ukraine	1	0.1%