Rank	Countries/Territories	Count	Percent
1	United States	521	35.9%
2	China	462	31.8%
3	Germany	119	8.2%
4	Japan	83	5.7%
5	Netherlands	49	3.4%
6	Latvia	42	2.9%
7	India	25	1.7%
8	Russia	20	1.4%
9	France	17	1.2%
10	Sweden	14	1%
11	Singapore	13	0.9%
12	Cyprus	10	0.7%
13	Canada	9	0.6%
14	Hong Kong	8	0.6%
15	Thailand	8	0.6%
16	United Kingdom	6	0.4%
17	Poland	6	0.4%
18	Korea, Republic of	6	0.4%
19	Norway	5	0.3%
20	Taiwan	4	0.3%
21	Portugal	3	0.2%
22	Viet Nam	3	0.2%
23	Mongolia	2	0.1%
24	Turkey	2	0.1%
25	Iran, Islamic Republic of	2	0.1%
26	Ireland	2	0.1%
27	Denmark	2	0.1%
28	Argentina	2	0.1%
29	Australia	2	0.1%
30	Italy	1	0.1%
31	Lithuania	1	0.1%
32	Malaysia	1	0.1%
33	Ukraine	1	0.1%
34	South Africa	1	0.1%