Rank	Countries/Territories	Count	Percent
1	United States	729	45.3%
2	China	446	27.7%
3	Germany	130	8.1%
4	India	50	3.1%
5	Korea, Republic of	46	2.9%
6	Canada	37	2.3%
7	France	24	1.5%
8	Japan	21	1.3%
9	Netherlands	17	1.1%
10	Switzerland	14	0.9%
11	Singapore	11	0.7%
12	Italy	10	0.6%
13	Cyprus	10	0.6%
14	Russia	8	0.5%
15	Turkey	6	0.4%
16	Hong Kong	6	0.4%
17	United Kingdom	6	0.4%
18	Iran, Islamic Republic of	5	0.3%
19	Spain	5	0.3%
20	Brazil	4	0.2%
21	Australia	3	0.2%
22	Ireland	3	0.2%
23	Taiwan	3	0.2%
24	Mongolia	2	0.1%
25	Israel	2	0.1%
26	Georgia	2	0.1%
27	Austria	2	0.1%
28	Bangladesh	2	0.1%
29	Argentina	1	0.1%
30	Czech Republic	1	0.1%
31	Finland	1	0.1%
32	Norway	1	0.1%
33	Pakistan	1	0.1%
34	Peru	1	0.1%
35	Ukraine	1	0.1%