Rank	Countries/Territories	Count	Percent
1	United States	184	39%
2	China	158	33.5%
3	Germany	24	5.1%
4	Singapore	8	1.7%
5	Russia	7	1.5%
6	Japan	7	1.5%
7	Korea, Republic of	6	1.3%
8	Serbia	6	1.3%
9	Canada	6	1.3%
10	Netherlands	6	1.3%
11	Lithuania	5	1.1%
12	Cyprus	4	0.8%
13	United Kingdom	4	0.8%
14	Romania	3	0.6%
15	Australia	3	0.6%
16	India	3	0.6%
17	France	3	0.6%
18	Moldova, Republic of	2	0.4%
19	Philippines	2	0.4%
20	Malaysia	2	0.4%
21	Egypt	2	0.4%
22	Portugal	2	0.4%
23	Spain	2	0.4%
24	Indonesia	2	0.4%
25	Kuwait	2	0.4%
26	Lebanon	2	0.4%
27	Bangladesh	2	0.4%
28		2	0.4%
29	Argentina	2	0.4%
30	Viet Nam	2	0.4%
31	Ecuador	1	0.2%
32	Brazil	1	0.2%
33	Cameroon	1	0.2%
34	Ireland	1	0.2%
35	Switzerland	1	0.2%
36	Turkey	1	0.2%
37	Qatar	1	0.2%
38	Mauritius	1	0.2%
39	Poland	1	0.2%