Rank	Countries/Territories	Count	Percent
1	United States	499	44.7%
2	China	306	27.4%
3	Germany	107	9.6%
4	Latvia	38	3.4%
5	Japan	25	2.2%
6	France	17	1.5%
7	Netherlands	13	1.2%
8	Canada	12	1.1%
9	Cyprus	11	1%
10	Ireland	11	1%
11	Russia	10	0.9%
12	Singapore	10	0.9%
13	India	10	0.9%
14	United Kingdom	7	0.6%
15	Korea, Republic of	6	0.5%
16	Australia	6	0.5%
17	Hong Kong	4	0.4%
18	Sweden	3	0.3%
19	Malaysia	3	0.3%
20	Ukraine	2	0.2%
21	Viet Nam	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Bangladesh	2	0.2%
24	Albania	1	0.1%
25	Argentina	1	0.1%
26	Georgia	1	0.1%
27	Ghana	1	0.1%
28	Guatemala	1	0.1%
29	Switzerland	1	0.1%
30	Lithuania	1	0.1%
31	Nigeria	1	0.1%
32	Norway	1	0.1%
33	Poland	1	0.1%