Rank	Countries/Territories	Count	Percent
1	United States	672	50.2%
2	China	219	16.4%
3	Germany	178	13.3%
4		37	2.8%
5	Latvia	36	2.7%
6	India	24	1.8%
7	Cyprus	21	1.6%
8	Japan	19	1.4%
9	Singapore	15	1.1%
10	Iran, Islamic Republic of	12	0.9%
11	Canada	12	0.9%
12	Korea, Republic of	10	0.7%
13	Turkey	10	0.7%
14	Netherlands	8	0.6%
15	France	8	0.6%
16	Viet Nam	7	0.5%
17	Ukraine	6	0.4%
18	Argentina	6	0.4%
19	Australia	4	0.3%
20	Indonesia	4	0.3%
21	New Zealand	4	0.3%
22	Mongolia	4	0.3%
23	Russia	3	0.2%
24	Malaysia	3	0.2%
25	Egypt	3	0.2%
26	Brazil	3	0.2%
27	Bangladesh	2	0.1%
28	Denmark	2	0.1%
29	Austria	1	0.1%
30	Finland	1	0.1%
31	Hong Kong	1	0.1%
32	Lao People's Democratic Republic	1	0.1%
33	South Africa	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%