Rank	Countries/Territories	Count	Percent
1	United States	662	51.9%
2	China	192	15.1%
3	Germany	157	12.3%
4	Japan	59	4.6%
5	Sweden	30	2.4%
6	Canada	24	1.9%
7	Ireland	21	1.6%
8	France	20	1.6%
9	Korea, Republic of	11	0.9%
10	Thailand	11	0.9%
11	India	9	0.7%
12	Netherlands	8	0.6%
13	Cyprus	7	0.5%
14	United Kingdom	6	0.5%
15	Australia	5	0.4%
16	Peru	4	0.3%
17	Russia	4	0.3%
18	Switzerland	4	0.3%
19	Taiwan	4	0.3%
20	Singapore	3	0.2%
21	Mongolia	3	0.2%
22	New Zealand	2	0.2%
23	Norway	2	0.2%
24	Kuwait	2	0.2%
25	Malaysia	2	0.2%
26	Philippines	2	0.2%
27	Turkey	2	0.2%
28	Ukraine	2	0.2%
29	United Arab Emirates	2	0.2%
30	Brazil	2	0.2%
31	Denmark	2	0.2%
32	Indonesia	2	0.2%
33	Kenya	2	0.2%
34	Ghana	1	0.1%
35	Ethiopia	1	0.1%
36	Argentina	1	0.1%
37	Austria	1	0.1%
38	Poland	1	0.1%
39	Serbia	1	0.1%
40	Mexico	1	0.1%