Rank	Countries/Territories	Count	Percent
1	United States	571	44.3%
2	China	279	21.7%
3	Germany	130	10.1%
4	United Kingdom	75	5.8%
5	France	52	4%
6	Japan	39	3%
7	Netherlands	17	1.3%
8	Singapore	12	0.9%
9	Hong Kong	12	0.9%
10	India	12	0.9%
11	Canada	11	0.9%
12	South Africa	9	0.7%
13	Ireland	8	0.6%
14	Poland	7	0.5%
15	Korea, Republic of	4	0.3%
16	Hungary	4	0.3%
17	Australia	4	0.3%
18	Cyprus	4	0.3%
19	Egypt	4	0.3%
20	Brazil	3	0.2%
21	Peru	3	0.2%
22	Namibia	3	0.2%
23	Romania	3	0.2%
24	Russia	2	0.2%
25	Taiwan	2	0.2%
26	Spain	2	0.2%
27	Argentina	2	0.2%
28	Greece	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Ukraine	2	0.2%
31	Viet Nam	1	0.1%
32	Israel	1	0.1%
33	Finland	1	0.1%
34	Sweden	1	0.1%
35	Turkey	1	0.1%
36	Mexico	1	0.1%
37	Morocco	1	0.1%
38	Kenya	1	0.1%