Rank	Countries/Territories	Count	Percent
1	United States	591	43.9%
2	China	450	33.4%
3	Germany	112	8.3%
4	Latvia	44	3.3%
5	Canada	27	2%
6	Korea, Republic of	22	1.6%
7	Netherlands	12	0.9%
8	Spain	12	0.9%
9	Cyprus	11	0.8%
10	Japan	10	0.7%
11	Russia	6	0.4%
12	United Kingdom	5	0.4%
13	Australia	5	0.4%
14	France	5	0.4%
15	Lebanon	5	0.4%
16	Iran, Islamic Republic of	4	0.3%
17	Turkey	4	0.3%
18	Singapore	3	0.2%
19	Hong Kong	3	0.2%
20	Argentina	2	0.1%
21	Ukraine	2	0.1%
22	Switzerland	2	0.1%
23	Viet Nam	2	0.1%
24	South Africa	1	0.1%
25	Egypt	1	0.1%
26	Ireland	1	0.1%
27	Italy	1	0.1%
28	Kyrgyzstan	1	0.1%
29	Moldova, Republic of	1	0.1%
30	Mongolia	1	0.1%