Rank	Countries/Territories	Count	Percent
1	United States	511	38%
2	China	285	21.2%
3	Germany	117	8.7%
4	Australia	75	5.6%
5	India	57	4.2%
6	Singapore	43	3.2%
7	Japan	23	1.7%
8	Slovakia	22	1.6%
9	Romania	18	1.3%
10	Canada	17	1.3%
11	Korea, Republic of	16	1.2%
12	Cote D'ivoire	15	1.1%
13	Denmark	13	1%
14	France	13	1%
15	United Kingdom	12	0.9%
16	Russia	11	0.8%
17	Morocco	10	0.7%
18	Netherlands	8	0.6%
19	Ireland	8	0.6%
20	Iran, Islamic Republic of	7	0.5%
21	Italy	6	0.4%
22	Cyprus	6	0.4%
23	Mexico	5	0.4%
24	Indonesia	4	0.3%
25	Turkey	4	0.3%
26	Ukraine	3	0.2%
27	South Africa	3	0.2%
28	Hong Kong	3	0.2%
29	Egypt	2	0.1%
30	Ethiopia	2	0.1%
31	Czech Republic	2	0.1%
32	Bangladesh	2	0.1%
33	Belgium	2	0.1%
34	Malaysia	2	0.1%
35	Nigeria	2	0.1%
36	Pakistan	2	0.1%
37	Spain	2	0.1%
38	Sweden	1	0.1%
39	Viet Nam	1	0.1%
40	Peru	1	0.1%
41	Oman	1	0.1%
42	Nepal	1	0.1%
43	Israel	1	0.1%
44	Bosnia and Herzegovina	1	0.1%
45	Bulgaria	1	0.1%
46	Argentina	1	0.1%
47	Austria	1	0.1%