Rank	Countries/Territories	Count	Percent
1	United States	155	38.8%
2	China	79	19.8%
3	Germany	41	10.2%
4	India	20	5%
5	Sweden	11	2.8%
6	United Kingdom	9	2.2%
7	Netherlands	8	2%
8	Japan	8	2%
9	Canada	7	1.8%
10	Ireland	6	1.5%
11	Nigeria	5	1.2%
12	France	4	1%
13	Turkey	4	1%
14	Australia	4	1%
15	Cyprus	3	0.8%
16	Switzerland	3	0.8%
17	Taiwan	3	0.8%
18	Saudi Arabia	3	0.8%
19	Singapore	2	0.5%
20	Slovakia	2	0.5%
21	Mexico	2	0.5%
22	United Arab Emirates	2	0.5%
23	Denmark	2	0.5%
24	Argentina	2	0.5%
25	Indonesia	2	0.5%
26	Zimbabwe	2	0.5%
27	Ghana	1	0.2%
28	Italy	1	0.2%
29	Korea, Republic of	1	0.2%
30	Lithuania	1	0.2%
31	Cameroon	1	0.2%
32	Egypt	1	0.2%
33	Finland	1	0.2%
34	Yemen	1	0.2%
35	Ukraine	1	0.2%
36	Philippines	1	0.2%
37	Russia	1	0.2%