Rank	Countries/Territories	Count	Percent
1	United States	415	39%
2	China	279	26.2%
3	Germany	111	10.4%
4	Singapore	56	5.3%
5	Russia	28	2.6%
6	Japan	26	2.4%
7	United Kingdom	23	2.2%
8	India	17	1.6%
9	Romania	11	1%
10	Korea, Republic of	10	0.9%
11	Canada	9	0.8%
12	Cyprus	8	0.8%
13	Australia	8	0.8%
14	Ireland	8	0.8%
15	Netherlands	5	0.5%
16	Morocco	4	0.4%
17	Ukraine	4	0.4%
18	Spain	4	0.4%
19	Malaysia	3	0.3%
20	Mexico	3	0.3%
21	Belarus	3	0.3%
22	Greece	3	0.3%
23	Hong Kong	2	0.2%
24	Chile	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Iraq	2	0.2%
27	Bangladesh	2	0.2%
28	Egypt	2	0.2%
29	Norway	2	0.2%
30	Lithuania	2	0.2%
31	Sweden	2	0.2%
32	Slovakia	2	0.2%
33	Thailand	1	0.1%
34	Argentina	1	0.1%
35	Poland	1	0.1%
36	France	1	0.1%
37	Belgium	1	0.1%
38	Brazil	1	0.1%
39	Indonesia	1	0.1%