Rank	Countries/Territories	Count	Percent
1	United States	257	32.6%
2	China	230	29.2%
3	Germany	47	6%
4		38	4.8%
5	Netherlands	26	3.3%
6	Japan	17	2.2%
7	United Kingdom	17	2.2%
8	Singapore	15	1.9%
9	Australia	15	1.9%
10	France	12	1.5%
11	Israel	11	1.4%
12	Turkey	11	1.4%
13	Ireland	9	1.1%
14	Iran, Islamic Republic of	8	1%
15	India	6	0.8%
16	Canada	6	0.8%
17	Thailand	6	0.8%
18	Nigeria	6	0.8%
19	Taiwan	5	0.6%
20	Norway	4	0.5%
21	Bulgaria	4	0.5%
22	Italy	4	0.5%
23	Cyprus	3	0.4%
24	Korea, Republic of	3	0.4%
25	Ukraine	3	0.4%
26	Poland	3	0.4%
27	Romania	3	0.4%
28	Russia	3	0.4%
29	Spain	2	0.3%
30	Switzerland	2	0.3%
31	Kuwait	2	0.3%
32	Austria	2	0.3%
33	Hong Kong	2	0.3%
34	Viet Nam	2	0.3%
35	Botswana	1	0.1%
36	Brazil	1	0.1%
37	Lithuania	1	0.1%
38	Mongolia	1	0.1%
39	Philippines	1	0.1%