Rank	Countries/Territories	Count	Percent
1	United States	563	43.4%
2	China	294	22.7%
3	Germany	102	7.9%
4	Japan	31	2.4%
5	United Kingdom	30	2.3%
6	France	27	2.1%
7	India	26	2%
8	Australia	24	1.9%
9	Netherlands	21	1.6%
10	Canada	19	1.5%
11	Turkey	18	1.4%
12	Ireland	13	1%
13	Italy	12	0.9%
14	Switzerland	12	0.9%
15	Singapore	8	0.6%
16	Peru	8	0.6%
17	Egypt	7	0.5%
18	Colombia	6	0.5%
19	Iran, Islamic Republic of	6	0.5%
20	Hong Kong	6	0.5%
21	South Africa	6	0.5%
22	Russia	6	0.5%
23	Brazil	5	0.4%
24	Indonesia	4	0.3%
25	Mexico	4	0.3%
26	Thailand	4	0.3%
27	Romania	4	0.3%
28	Korea, Republic of	4	0.3%
29	Malaysia	3	0.2%
30	Tanzania, United Republic of	3	0.2%
31	Spain	3	0.2%
32	Chile	3	0.2%
33	Cyprus	3	0.2%
34	Viet Nam	3	0.2%
35	Israel	2	0.2%
36	Taiwan	2	0.2%
37	Libya	2	0.2%
38	Norway	1	0.1%
39	Argentina	1	0.1%
40	Ukraine	1	0.1%