Rank	Countries/Territories	Count	Percent
1	United States	291	36%
2	China	268	33.1%
3	Germany	61	7.5%
4	Latvia	43	5.3%
5	Japan	26	3.2%
6	Australia	16	2%
7	United Kingdom	13	1.6%
8	Singapore	13	1.6%
9	Hong Kong	11	1.4%
10	Cyprus	9	1.1%
11	France	9	1.1%
12	Netherlands	9	1.1%
13	Iran, Islamic Republic of	6	0.7%
14	Norway	5	0.6%
15	Taiwan	4	0.5%
16	Canada	4	0.5%
17	Argentina	2	0.2%
18	Israel	2	0.2%
19	Mongolia	2	0.2%
20	Lebanon	2	0.2%
21	Sweden	2	0.2%
22	Romania	2	0.2%
23	Russia	2	0.2%
24	Poland	1	0.1%
25	Ukraine	1	0.1%
26	Lithuania	1	0.1%
27	Denmark	1	0.1%
28	Korea, Republic of	1	0.1%
29	Austria	1	0.1%
30	Brazil	1	0.1%