Rank	Countries/Territories	Count	Percent
1	United States	450	38.2%
2	China	391	33.2%
3	Japan	83	7%
4	Germany	80	6.8%
5	Latvia	51	4.3%
6	Canada	29	2.5%
7	Singapore	21	1.8%
8	Netherlands	16	1.4%
9	France	12	1%
10	Russia	7	0.6%
11	Cyprus	5	0.4%
12	Iran, Islamic Republic of	5	0.4%
13	Australia	4	0.3%
14	Argentina	3	0.3%
15	Ireland	3	0.3%
16	Mongolia	2	0.2%
17	Hong Kong	2	0.2%
18	India	2	0.2%
19	Sweden	2	0.2%
20	Taiwan	2	0.2%
21	Ukraine	1	0.1%
22	United Kingdom	1	0.1%
23	Viet Nam	1	0.1%
24	Switzerland	1	0.1%
25	South Africa	1	0.1%
26	Pakistan	1	0.1%
27	Poland	1	0.1%
28	Korea, Republic of	1	0.1%