Rank	Countries/Territories	Count	Percent
1	United States	264	34.1%
2	China	226	29.2%
3	Germany	92	11.9%
4	Canada	31	4%
5	India	24	3.1%
6	France	22	2.8%
7	Japan	16	2.1%
8	Ireland	11	1.4%
9	Netherlands	11	1.4%
10	Egypt	8	1%
11	Korea, Republic of	7	0.9%
12	Israel	7	0.9%
13	Russia	7	0.9%
14	Singapore	5	0.6%
15	Cyprus	4	0.5%
16	Brazil	3	0.4%
17	Australia	3	0.4%
18	Malaysia	3	0.4%
19	Slovakia	3	0.4%
20	Slovenia	2	0.3%
21	Ukraine	2	0.3%
22	Myanmar	2	0.3%
23	Niger	2	0.3%
24	Norway	2	0.3%
25	Indonesia	2	0.3%
26	Greece	2	0.3%
27	Hong Kong	2	0.3%
28	Bangladesh	2	0.3%
29	Croatia	2	0.3%
30	Morocco	1	0.1%
31	Pakistan	1	0.1%
32	Philippines	1	0.1%
33	Portugal	1	0.1%
34	Romania	1	0.1%
35	Viet Nam	1	0.1%
36	Switzerland	1	0.1%
37	Uganda	1	0.1%