Rank	Countries/Territories	Count	Percent
1	United States	311	31.4%
2	China	258	26%
3	Germany	91	9.2%
4	Italy	41	4.1%
5	Denmark	39	3.9%
6	United Kingdom	34	3.4%
7	France	33	3.3%
8	Netherlands	17	1.7%
9	Spain	16	1.6%
10	Russia	14	1.4%
11	Japan	12	1.2%
12	Ireland	11	1.1%
13	Canada	11	1.1%
14	Brazil	10	1%
15	India	9	0.9%
16	Singapore	8	0.8%
17	Turkey	8	0.8%
18	New Zealand	7	0.7%
19	Cyprus	7	0.7%
20	Australia	7	0.7%
21	Korea, Republic of	5	0.5%
22	Sweden	5	0.5%
23	Romania	4	0.4%
24	Belgium	4	0.4%
25	Lithuania	3	0.3%
26	Philippines	3	0.3%
27	Poland	3	0.3%
28	Puerto Rico	2	0.2%
29	Norway	2	0.2%
30	Switzerland	2	0.2%
31	Serbia	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Ukraine	2	0.2%
34	Viet Nam	1	0.1%
35	Indonesia	1	0.1%
36	Egypt	1	0.1%
37	Finland	1	0.1%
38	Ghana	1	0.1%
39	Argentina	1	0.1%
40	Bangladesh	1	0.1%
41	Saudi Arabia	1	0.1%