Rank	Countries/Territories	Count	Percent
1	United States	640	39.6%
2	China	619	38.3%
3	Germany	191	11.8%
4	India	35	2.2%
5	Russia	18	1.1%
6	Japan	13	0.8%
7	Singapore	11	0.7%
8	Korea, Republic of	10	0.6%
9	Canada	10	0.6%
10	France	8	0.5%
11	Spain	8	0.5%
12	Cyprus	7	0.4%
13	Netherlands	6	0.4%
14	Thailand	6	0.4%
15	Australia	5	0.3%
16	Ukraine	4	0.2%
17	United Kingdom	3	0.2%
18	Sweden	3	0.2%
19	Italy	3	0.2%
20	Ireland	3	0.2%
21	Israel	2	0.1%
22	Poland	2	0.1%
23	Malaysia	2	0.1%
24	Finland	2	0.1%
25	Hong Kong	2	0.1%
26	Austria	1	0.1%
27	Argentina	1	0.1%
28	Switzerland	1	0.1%