Rank	Countries/Territories	Count	Percent
1	United States	559	39.4%
2	China	487	34.3%
3	Germany	158	11.1%
4	Ukraine	30	2.1%
5	Canada	29	2%
6	Japan	25	1.8%
7	India	21	1.5%
8	Hong Kong	16	1.1%
9	Korea, Republic of	16	1.1%
10	Singapore	11	0.8%
11	France	9	0.6%
12	Cyprus	9	0.6%
13	Portugal	7	0.5%
14	United Kingdom	6	0.4%
15	Netherlands	6	0.4%
16	Ireland	5	0.4%
17	Italy	3	0.2%
18	Australia	3	0.2%
19	Switzerland	3	0.2%
20	Latvia	3	0.2%
21	Taiwan	2	0.1%
22	Bulgaria	2	0.1%
23	Egypt	2	0.1%
24	Finland	1	0.1%
25	Argentina	1	0.1%
26	Brazil	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Turkey	1	0.1%
29	Mongolia	1	0.1%
30	Russia	1	0.1%
31	Spain	1	0.1%