Rank	Countries/Territories	Count	Percent
1	United States	575	44.4%
2	China	345	26.7%
3	Germany	82	6.3%
4	Poland	30	2.3%
5	Ireland	23	1.8%
6	India	22	1.7%
7	France	21	1.6%
8	Canada	20	1.5%
9	Japan	20	1.5%
10	Netherlands	19	1.5%
11	Korea, Republic of	16	1.2%
12	Czech Republic	15	1.2%
13	United Kingdom	12	0.9%
14	Spain	8	0.6%
15	Turkey	7	0.5%
16	Cyprus	7	0.5%
17	Australia	7	0.5%
18	Denmark	6	0.5%
19	Italy	6	0.5%
20	Singapore	6	0.5%
21	Pakistan	5	0.4%
22	Cameroon	5	0.4%
23	Bangladesh	4	0.3%
24	Bulgaria	4	0.3%
25	Greece	4	0.3%
26	Iran, Islamic Republic of	4	0.3%
27	Russia	3	0.2%
28	Taiwan	3	0.2%
29	Palestine, State of	3	0.2%
30	Indonesia	3	0.2%
31	Argentina	2	0.2%
32	Egypt	1	0.1%
33	Hong Kong	1	0.1%
34	Philippines	1	0.1%
35	Lithuania	1	0.1%
36	Romania	1	0.1%
37	Ukraine	1	0.1%
38	Sweden	1	0.1%