Rank	Countries/Territories	Count	Percent
1	United States	268	29.9%
2	China	243	27.2%
3	Germany	91	10.2%
4	Denmark	39	4.4%
5	Italy	39	4.4%
6	France	33	3.7%
7	United Kingdom	24	2.7%
8	Netherlands	17	1.9%
9	Russia	14	1.6%
10	Spain	12	1.3%
11	Japan	11	1.2%
12	Canada	11	1.2%
13	India	9	1%
14	Ireland	9	1%
15	Brazil	8	0.9%
16	Singapore	8	0.9%
17	Turkey	8	0.9%
18	Cyprus	7	0.8%
19	Sweden	5	0.6%
20	Korea, Republic of	5	0.6%
21	Belgium	4	0.4%
22	Lithuania	3	0.3%
23	Philippines	3	0.3%
24	Romania	3	0.3%
25	Serbia	2	0.2%
26	Switzerland	2	0.2%
27	Puerto Rico	2	0.2%
28	Norway	2	0.2%
29	Australia	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Ukraine	2	0.2%
32	Indonesia	1	0.1%
33	Finland	1	0.1%
34	Ghana	1	0.1%
35	Bangladesh	1	0.1%
36	Argentina	1	0.1%
37	Poland	1	0.1%
38	Saudi Arabia	1	0.1%