Rank	Countries/Territories	Count	Percent
1	United States	305	45.4%
2	China	130	19.3%
3	Germany	30	4.5%
4	United Kingdom	27	4%
5	Japan	24	3.6%
6	India	18	2.7%
7	Turkey	15	2.2%
8	France	14	2.1%
9	Canada	13	1.9%
10	Netherlands	10	1.5%
11	Ireland	8	1.2%
12	Singapore	7	1%
13	Australia	7	1%
14	Egypt	6	0.9%
15	Hong Kong	6	0.9%
16	Russia	5	0.7%
17	Mexico	4	0.6%
18	Korea, Republic of	4	0.6%
19	Colombia	3	0.4%
20	Chile	3	0.4%
21	Italy	3	0.4%
22	Romania	3	0.4%
23	Tanzania, United Republic of	3	0.4%
24	Thailand	2	0.3%
25	Switzerland	2	0.3%
26	Taiwan	2	0.3%
27	Peru	2	0.3%
28	Israel	2	0.3%
29	Brazil	2	0.3%
30	Cyprus	2	0.3%
31	Libya	2	0.3%
32	Malaysia	2	0.3%
33	Viet Nam	2	0.3%
34	Indonesia	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Spain	1	0.1%
37	Ukraine	1	0.1%