Rank	Countries/Territories	Count	Percent
1	United States	450	36.6%
2	China	333	27.1%
3	Germany	129	10.5%
4	France	51	4.1%
5	Japan	33	2.7%
6	Canada	30	2.4%
7	Iran, Islamic Republic of	28	2.3%
8	Russia	19	1.5%
9	United Kingdom	18	1.5%
10	Netherlands	16	1.3%
11	India	16	1.3%
12	Ireland	10	0.8%
13	Australia	10	0.8%
14	Singapore	9	0.7%
15	Switzerland	8	0.7%
16	Italy	8	0.7%
17	Taiwan	7	0.6%
18	Thailand	7	0.6%
19	Ukraine	5	0.4%
20	Cyprus	5	0.4%
21	Mauritius	4	0.3%
22	Malaysia	3	0.2%
23	Colombia	3	0.2%
24	Belgium	3	0.2%
25	Brazil	3	0.2%
26	Korea, Republic of	2	0.2%
27	Indonesia	2	0.2%
28	Romania	2	0.2%
29	Mongolia	2	0.2%
30	South Africa	2	0.2%
31	Spain	2	0.2%
32	Yemen	2	0.2%
33	New Zealand	1	0.1%
34	Pakistan	1	0.1%
35	Poland	1	0.1%
36	Lithuania	1	0.1%
37	Bulgaria	1	0.1%
38	Bangladesh	1	0.1%
39	Finland	1	0.1%