Rank	Countries/Territories	Count	Percent
1	United States	413	34.6%
2	China	290	24.3%
3	Germany	109	9.1%
4	Denmark	48	4%
5	Italy	41	3.4%
6	France	36	3%
7	United Kingdom	34	2.9%
8	Netherlands	20	1.7%
9	Spain	18	1.5%
10	Japan	16	1.3%
11	Canada	16	1.3%
12	Russia	14	1.2%
13	Brazil	13	1.1%
14	Ireland	11	0.9%
15	Singapore	9	0.8%
16	Poland	9	0.8%
17	Cyprus	9	0.8%
18	India	9	0.8%
19	Turkey	9	0.8%
20	Australia	8	0.7%
21	New Zealand	7	0.6%
22	Romania	6	0.5%
23	Belgium	6	0.5%
24	Korea, Republic of	5	0.4%
25	Sweden	5	0.4%
26	Lithuania	4	0.3%
27	Philippines	3	0.3%
28	Puerto Rico	2	0.2%
29	Norway	2	0.2%
30	Israel	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	Egypt	2	0.2%
33	Switzerland	2	0.2%
34	Ukraine	2	0.2%
35	Serbia	2	0.2%
36	Viet Nam	1	0.1%
37	Finland	1	0.1%
38	Ghana	1	0.1%
39	Indonesia	1	0.1%
40	Argentina	1	0.1%
41	Bangladesh	1	0.1%
42	Slovakia	1	0.1%
43	Saudi Arabia	1	0.1%