Rank	Countries/Territories	Count	Percent
1	United States	576	44.7%
2	China	238	18.5%
3	Germany	162	12.6%
4	Canada	36	2.8%
5	India	35	2.7%
6	France	32	2.5%
7	Latvia	29	2.2%
8	Netherlands	24	1.9%
9	Italy	22	1.7%
10	Japan	17	1.3%
11	Russia	12	0.9%
12	Korea, Republic of	11	0.9%
13	Singapore	8	0.6%
14	Ireland	8	0.6%
15	Morocco	7	0.5%
16	Mexico	6	0.5%
17	Cyprus	5	0.4%
18	Brazil	5	0.4%
19	Egypt	4	0.3%
20	Hong Kong	4	0.3%
21	Philippines	4	0.3%
22	Spain	4	0.3%
23	Sweden	4	0.3%
24	Thailand	4	0.3%
25	Australia	3	0.2%
26	Argentina	2	0.2%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Ukraine	2	0.2%
30	United Kingdom	2	0.2%
31	Slovenia	2	0.2%
32	Portugal	2	0.2%
33	Romania	2	0.2%
34	Viet Nam	2	0.2%
35	Taiwan	2	0.2%
36	Poland	1	0.1%
37	Mongolia	1	0.1%
38	Switzerland	1	0.1%
39	Turkey	1	0.1%
40	Hungary	1	0.1%
41	Iran, Islamic Republic of	1	0.1%
42	Iraq	1	0.1%
43	Austria	1	0.1%
44	Bangladesh	1	0.1%