Rank	Countries/Territories	Count	Percent
1	United States	380	47.5%
2	China	174	21.8%
3	Germany	73	9.1%
4	India	33	4.1%
5	Romania	19	2.4%
6	Japan	18	2.2%
7	Canada	16	2%
8	France	13	1.6%
9	Russia	13	1.6%
10	Netherlands	12	1.5%
11	Korea, Republic of	8	1%
12	Ireland	7	0.9%
13	Singapore	6	0.8%
14	Cyprus	4	0.5%
15	Australia	4	0.5%
16	Argentina	3	0.4%
17	Bolivia, Plurinational State of	3	0.4%
18	Spain	3	0.4%
19	Trinidad and Tobago	2	0.2%
20	Bangladesh	2	0.2%
21	Israel	1	0.1%
22	Iran, Islamic Republic of	1	0.1%
23	Malaysia	1	0.1%
24	Mongolia	1	0.1%
25	United Kingdom	1	0.1%
26	New Zealand	1	0.1%
27	Switzerland	1	0.1%