Rank	Countries/Territories	Count	Percent
1	United States	423	42.2%
2	China	232	23.2%
3	Germany	78	7.8%
4	France	32	3.2%
5	Denmark	22	2.2%
6	Brazil	20	2%
7	Japan	20	2%
8	Netherlands	20	2%
9	United Kingdom	16	1.6%
10	Colombia	15	1.5%
11	Korea, Republic of	14	1.4%
12	Singapore	14	1.4%
13	Mexico	9	0.9%
14	India	9	0.9%
15	Iran, Islamic Republic of	8	0.8%
16	Australia	8	0.8%
17	Spain	6	0.6%
18	Switzerland	6	0.6%
19	Taiwan	5	0.5%
20	Canada	5	0.5%
21	Argentina	4	0.4%
22	Cyprus	4	0.4%
23	Ireland	4	0.4%
24	Hong Kong	4	0.4%
25	Sweden	4	0.4%
26	Ukraine	2	0.2%
27	Poland	2	0.2%
28	Malaysia	2	0.2%
29	Hungary	2	0.2%
30	Czech Republic	2	0.2%
31	Cuba	2	0.2%
32	Chile	2	0.2%
33	Israel	1	0.1%
34	Italy	1	0.1%
35	Nigeria	1	0.1%
36	Norway	1	0.1%
37	Slovakia	1	0.1%
38	South Africa	1	0.1%