Rank	Countries/Territories	Count	Percent
1	United States	527	39.5%
2	China	403	30.2%
3	Germany	162	12.1%
4	India	37	2.8%
5	France	25	1.9%
6	Japan	24	1.8%
7	Netherlands	21	1.6%
8	Canada	15	1.1%
9	Ireland	14	1%
10	Russia	14	1%
11	Ukraine	11	0.8%
12	Egypt	10	0.7%
13	Switzerland	9	0.7%
14	Australia	8	0.6%
15	Korea, Republic of	8	0.6%
16	Hong Kong	6	0.4%
17	Cyprus	6	0.4%
18	Singapore	5	0.4%
19	United Kingdom	5	0.4%
20	Taiwan	3	0.2%
21	Poland	3	0.2%
22	Romania	2	0.1%
23	Norway	2	0.1%
24	Pakistan	2	0.1%
25	Croatia	2	0.1%
26	Argentina	2	0.1%
27	Brazil	1	0.1%
28	Iraq	1	0.1%
29	Malaysia	1	0.1%
30	Mongolia	1	0.1%
31	Nepal	1	0.1%
32	Palestine, State of	1	0.1%
33	New Zealand	1	0.1%
34	United Arab Emirates	1	0.1%
35	Viet Nam	1	0.1%