Rank	Countries/Territories	Count	Percent
1	United States	480	40.4%
2	China	330	27.8%
3	Germany	105	8.8%
4	France	70	5.9%
5	Lithuania	66	5.6%
6	Canada	19	1.6%
7	Netherlands	18	1.5%
8	Japan	11	0.9%
9	United Kingdom	9	0.8%
10	India	8	0.7%
11	Argentina	7	0.6%
12	Malaysia	6	0.5%
13	Australia	5	0.4%
14	Cyprus	4	0.3%
15	Mexico	4	0.3%
16	Korea, Republic of	4	0.3%
17	Russia	4	0.3%
18	Singapore	3	0.3%
19	Peru	3	0.3%
20	Mongolia	3	0.3%
21	Italy	3	0.3%
22	Indonesia	2	0.2%
23	Ethiopia	2	0.2%
24	Palestine, State of	2	0.2%
25	Panama	2	0.2%
26	Latvia	2	0.2%
27	South Africa	2	0.2%
28	Switzerland	2	0.2%
29	Thailand	2	0.2%
30	Tunisia	1	0.1%
31	Ukraine	1	0.1%
32	United Arab Emirates	1	0.1%
33	New Zealand	1	0.1%
34	Nigeria	1	0.1%
35	Romania	1	0.1%
36	Bulgaria	1	0.1%
37	Georgia	1	0.1%
38	Hong Kong	1	0.1%