Rank	Countries/Territories	Count	Percent
1	United States	298	36.3%
2	China	260	31.7%
3	Germany	58	7.1%
4		32	3.9%
5	Latvia	21	2.6%
6	United Kingdom	16	1.9%
7	Singapore	14	1.7%
8	Sweden	13	1.6%
9	Netherlands	13	1.6%
10	Japan	12	1.5%
11	Canada	12	1.5%
12	Australia	9	1.1%
13	Cyprus	8	1%
14	Russia	8	1%
15	France	7	0.9%
16	Ireland	6	0.7%
17	Spain	5	0.6%
18	Turkey	5	0.6%
19	Saudi Arabia	3	0.4%
20	Korea, Republic of	3	0.4%
21	Italy	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Bangladesh	2	0.2%
24	Thailand	2	0.2%
25	Ukraine	1	0.1%
26	Romania	1	0.1%
27	Switzerland	1	0.1%
28	Taiwan	1	0.1%
29	Slovakia	1	0.1%
30	South Africa	1	0.1%
31	Belgium	1	0.1%
32	Argentina	1	0.1%
33	Indonesia	1	0.1%
34	Mongolia	1	0.1%