Rank	Countries/Territories	Count	Percent
1	United States	395	41.5%
2	China	257	27%
3	Germany	73	7.7%
4	France	36	3.8%
5	India	32	3.4%
6	Canada	25	2.6%
7	Japan	19	2%
8	Korea, Republic of	11	1.2%
9	Italy	11	1.2%
10	United Kingdom	10	1.1%
11	Australia	10	1.1%
12	Brazil	9	0.9%
13	Poland	9	0.9%
14	Netherlands	8	0.8%
15	Sweden	7	0.7%
16	Cyprus	5	0.5%
17	Finland	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Croatia	3	0.3%
20	Bangladesh	2	0.2%
21	Costa Rica	2	0.2%
22	Togo	2	0.2%
23	Russia	2	0.2%
24	New Zealand	2	0.2%
25	Mongolia	2	0.2%
26	Mozambique	1	0.1%
27	Peru	1	0.1%
28	Singapore	1	0.1%
29	Spain	1	0.1%
30	Ukraine	1	0.1%
31	Argentina	1	0.1%
32	Burkina Faso	1	0.1%
33	Burundi	1	0.1%
34	Cuba	1	0.1%
35	Israel	1	0.1%
36	Hong Kong	1	0.1%
37	Iceland	1	0.1%