Rank	Countries/Territories	Count	Percent
1	United States	528	49.7%
2	China	155	14.6%
3	Germany	142	13.4%
4	Poland	62	5.8%
5	Japan	24	2.3%
6	Netherlands	20	1.9%
7	Singapore	19	1.8%
8	Russia	13	1.2%
9	Bulgaria	13	1.2%
10	Canada	13	1.2%
11	France	9	0.8%
12	Italy	8	0.8%
13	Cyprus	5	0.5%
14	Tunisia	5	0.5%
15	Spain	5	0.5%
16	Mexico	4	0.4%
17	Argentina	4	0.4%
18	Australia	3	0.3%
19	Portugal	3	0.3%
20	Nigeria	3	0.3%
21	Romania	2	0.2%
22	Sweden	2	0.2%
23	United Kingdom	2	0.2%
24	India	2	0.2%
25	Ireland	2	0.2%
26	Kenya	2	0.2%
27	Latvia	2	0.2%
28	Lithuania	1	0.1%
29	Korea, Republic of	1	0.1%
30	Greece	1	0.1%
31	Hong Kong	1	0.1%
32	Turkey	1	0.1%
33	United Arab Emirates	1	0.1%
34	Thailand	1	0.1%
35	South Africa	1	0.1%
36	Myanmar	1	0.1%
37	Norway	1	0.1%
38	Peru	1	0.1%