Rank	Countries/Territories	Count	Percent
1	United States	501	42.1%
2	China	325	27.3%
3	Germany	141	11.9%
4	India	35	2.9%
5	France	25	2.1%
6	Japan	22	1.9%
7	Netherlands	20	1.7%
8	Ireland	14	1.2%
9	Canada	14	1.2%
10	Ukraine	11	0.9%
11	Egypt	10	0.8%
12	Switzerland	9	0.8%
13	Korea, Republic of	8	0.7%
14	Hong Kong	6	0.5%
15	Cyprus	6	0.5%
16	Australia	5	0.4%
17	Singapore	5	0.4%
18	United Kingdom	5	0.4%
19	Russia	3	0.3%
20	Taiwan	3	0.3%
21	Poland	3	0.3%
22	Romania	2	0.2%
23	Norway	2	0.2%
24	Pakistan	2	0.2%
25	Argentina	2	0.2%
26	Croatia	2	0.2%
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%