Rank	Countries/Territories	Count	Percent
1	United States	354	39.4%
2	China	289	32.2%
3	Germany	103	11.5%
4	France	69	7.7%
5	Canada	14	1.6%
6	Ireland	9	1%
7	Netherlands	9	1%
8	India	6	0.7%
9	Russia	6	0.7%
10	Singapore	5	0.6%
11	Cyprus	5	0.6%
12	Argentina	3	0.3%
13	Korea, Republic of	3	0.3%
14	United Kingdom	3	0.3%
15	Romania	2	0.2%
16	Malaysia	2	0.2%
17	Mongolia	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Japan	2	0.2%
20	Australia	2	0.2%
21	Brazil	2	0.2%
22	Algeria	1	0.1%
23	Bangladesh	1	0.1%
24	Poland	1	0.1%
25	Slovenia	1	0.1%
26	Spain	1	0.1%
27	Ukraine	1	0.1%