Rank	Countries/Territories	Count	Percent
1	United States	516	41%
2	China	307	24.4%
3	Germany	113	9%
4	India	50	4%
5	Latvia	48	3.8%
6	Canada	29	2.3%
7	Sweden	21	1.7%
8	Austria	19	1.5%
9	Taiwan	16	1.3%
10	Australia	15	1.2%
11	United Kingdom	15	1.2%
12	Japan	13	1%
13	Netherlands	13	1%
14	Cyprus	12	1%
15	Hong Kong	9	0.7%
16	Korea, Republic of	9	0.7%
17	Lithuania	6	0.5%
18	Norway	5	0.4%
19	Costa Rica	5	0.4%
20	Bangladesh	4	0.3%
21	France	4	0.3%
22	Spain	4	0.3%
23	Ireland	3	0.2%
24	Malaysia	3	0.2%
25	Ukraine	3	0.2%
26	Singapore	2	0.2%
27	Poland	2	0.2%
28	Kenya	2	0.2%
29	Indonesia	2	0.2%
30	Brazil	2	0.2%
31	Argentina	1	0.1%
32	Egypt	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Italy	1	0.1%
35	Philippines	1	0.1%
36	Mongolia	1	0.1%
37	Russia	1	0.1%
38	Switzerland	1	0.1%