Rank	Countries/Territories	Count	Percent
1	United States	233	40.3%
2	China	103	17.8%
3	Germany	82	14.2%
4	India	19	3.3%
5	Slovakia	14	2.4%
6	Ireland	11	1.9%
7	Japan	10	1.7%
8	Switzerland	9	1.6%
9	Singapore	8	1.4%
10	Canada	6	1%
11	Russia	5	0.9%
12	United Kingdom	5	0.9%
13	Netherlands	5	0.9%
14	Pakistan	5	0.9%
15	Cyprus	5	0.9%
16	Latvia	4	0.7%
17	Slovenia	4	0.7%
18	Poland	3	0.5%
19	Taiwan	3	0.5%
20	Ecuador	3	0.5%
21	Estonia	3	0.5%
22	France	3	0.5%
23	Brunei Darussalam	3	0.5%
24	Belgium	2	0.3%
25	Australia	2	0.3%
26	Austria	2	0.3%
27	Malaysia	2	0.3%
28	Nepal	2	0.3%
29	Israel	2	0.3%
30	Italy	2	0.3%
31	Indonesia	2	0.3%
32	Thailand	2	0.3%
33	Romania	2	0.3%
34	Norway	2	0.3%
35	Spain	2	0.3%
36	Viet Nam	2	0.3%
37	Uzbekistan	1	0.2%
38	Sweden	1	0.2%
39	Ukraine	1	0.2%
40	Jordan	1	0.2%
41	Korea, Republic of	1	0.2%
42	Bangladesh	1	0.2%