Rank	Countries/Territories	Count	Percent
1	United States	311	44.1%
2	China	132	18.7%
3	Germany	93	13.2%
4	India	25	3.5%
5	Spain	20	2.8%
6	Netherlands	17	2.4%
7	Japan	14	2%
8	Ireland	9	1.3%
9	France	8	1.1%
10	Korea, Republic of	8	1.1%
11	Switzerland	7	1%
12	Hong Kong	6	0.9%
13	Australia	5	0.7%
14	Singapore	5	0.7%
15	Philippines	4	0.6%
16	Norway	3	0.4%
17	Canada	3	0.4%
18	Cyprus	3	0.4%
19	Italy	3	0.4%
20	Iraq	3	0.4%
21	Turkey	3	0.4%
22	Taiwan	2	0.3%
23	Thailand	2	0.3%
24	Austria	2	0.3%
25	Romania	2	0.3%
26	Kazakhstan	2	0.3%
27	Mauritius	2	0.3%
28	Nigeria	1	0.1%
29	Malaysia	1	0.1%
30	Jordan	1	0.1%
31	Russia	1	0.1%
32	Serbia	1	0.1%
33	Sweden	1	0.1%
34	Bolivia, Plurinational State of	1	0.1%
35	Argentina	1	0.1%
36	Denmark	1	0.1%
37	Cuba	1	0.1%
38	Greece	1	0.1%