Rank	Countries/Territories	Count	Percent
1	United States	354	41.1%
2	China	249	28.9%
3	Germany	70	8.1%
4	India	28	3.2%
5	Latvia	25	2.9%
6	Japan	22	2.6%
7	France	14	1.6%
8	United Kingdom	11	1.3%
9	Canada	10	1.2%
10	Switzerland	9	1%
11	Taiwan	7	0.8%
12	Mexico	7	0.8%
13	Ireland	7	0.8%
14	Singapore	6	0.7%
15	Netherlands	6	0.7%
16	Spain	4	0.5%
17	Russia	4	0.5%
18	Malaysia	4	0.5%
19	Hong Kong	4	0.5%
20	Belgium	4	0.5%
21	Cyprus	3	0.3%
22	Sweden	3	0.3%
23	Australia	2	0.2%
24	Israel	2	0.2%
25	Lithuania	2	0.2%
26	Morocco	1	0.1%
27	Egypt	1	0.1%
28	Norway	1	0.1%
29	Palestine, State of	1	0.1%
30	Portugal	1	0.1%