Rank	Countries/Territories	Count	Percent
1	United States	579	43%
2	China	320	23.8%
3	Germany	83	6.2%
4	India	67	5%
5	Japan	29	2.2%
6	Russia	28	2.1%
7		25	1.9%
8	Canada	22	1.6%
9	Netherlands	21	1.6%
10	Italy	21	1.6%
11	Lithuania	20	1.5%
12	Romania	16	1.2%
13	Latvia	12	0.9%
14	Singapore	12	0.9%
15	Hong Kong	9	0.7%
16	Korea, Republic of	8	0.6%
17	Taiwan	6	0.4%
18	Turkey	6	0.4%
19	Ukraine	6	0.4%
20	Spain	5	0.4%
21	Australia	5	0.4%
22	Ireland	5	0.4%
23	Cote D'ivoire	4	0.3%
24	Cyprus	4	0.3%
25	Argentina	3	0.2%
26	Greece	3	0.2%
27	Egypt	3	0.2%
28	France	3	0.2%
29	Nepal	3	0.2%
30	Poland	3	0.2%
31	Portugal	3	0.2%
32	United Kingdom	3	0.2%
33	Israel	2	0.1%
34	Indonesia	1	0.1%
35	Denmark	1	0.1%
36	Slovakia	1	0.1%
37	New Zealand	1	0.1%
38	Norway	1	0.1%
39	Pakistan	1	0.1%
40	Mexico	1	0.1%
41	Switzerland	1	0.1%