Rank	Countries/Territories	Count	Percent
1	United States	265	42.5%
2	China	219	35.2%
3	Germany	34	5.5%
4	Singapore	15	2.4%
5	Canada	12	1.9%
6	Ireland	10	1.6%
7	United Kingdom	9	1.4%
8	Netherlands	7	1.1%
9	Brazil	6	1%
10	Turkey	6	1%
11	India	4	0.6%
12	Denmark	4	0.6%
13	Japan	4	0.6%
14	Russia	3	0.5%
15	Egypt	3	0.5%
16	Switzerland	3	0.5%
17	Ukraine	2	0.3%
18	South Africa	2	0.3%
19	France	2	0.3%
20	Iran, Islamic Republic of	2	0.3%
21	Australia	2	0.3%
22	Cyprus	2	0.3%
23	Nigeria	2	0.3%
24	Pakistan	2	0.3%
25	Peru	1	0.2%
26	Korea, Republic of	1	0.2%
27	Viet Nam	1	0.2%