Rank	Countries/Territories	Count	Percent
1	United States	420	39.5%
2	China	349	32.8%
3	Germany	97	9.1%
4	Japan	45	4.2%
5	France	35	3.3%
6	Singapore	26	2.4%
7	Canada	21	2%
8	Cyprus	9	0.8%
9	Netherlands	9	0.8%
10	Australia	6	0.6%
11	Ireland	5	0.5%
12	Romania	5	0.5%
13	India	4	0.4%
14	United Kingdom	4	0.4%
15	Bulgaria	4	0.4%
16	Egypt	4	0.4%
17	Norway	3	0.3%
18	Pakistan	2	0.2%
19	Argentina	2	0.2%
20	Bahrain	2	0.2%
21	Italy	2	0.2%
22	Hong Kong	2	0.2%
23	Korea, Republic of	2	0.2%
24	Lithuania	2	0.2%
25	Malaysia	1	0.1%
26	Brazil	1	0.1%
27	Russia	1	0.1%
28	Ukraine	1	0.1%