Rank	Countries/Territories	Count	Percent
1	United States	324	36.4%
2	China	302	33.9%
3	Germany	65	7.3%
4	India	32	3.6%
5	France	17	1.9%
6	Norway	15	1.7%
7	Japan	11	1.2%
8	Korea, Republic of	10	1.1%
9	Canada	10	1.1%
10	Netherlands	10	1.1%
11	Ukraine	10	1.1%
12	Ireland	9	1%
13	Australia	7	0.8%
14	Malaysia	6	0.7%
15	Russia	6	0.7%
16	Singapore	5	0.6%
17	Italy	5	0.6%
18	Viet Nam	5	0.6%
19	Romania	4	0.4%
20	Cyprus	4	0.4%
21	Bulgaria	3	0.3%
22	Portugal	3	0.3%
23	United Kingdom	3	0.3%
24	United Arab Emirates	2	0.2%
25	Poland	2	0.2%
26	Spain	2	0.2%
27	Sweden	2	0.2%
28	Serbia	2	0.2%
29	Taiwan	2	0.2%
30	Bahrain	2	0.2%
31	Israel	2	0.2%
32	Greece	2	0.2%
33	Hong Kong	1	0.1%
34	Nepal	1	0.1%
35	Albania	1	0.1%
36	Argentina	1	0.1%
37	Turkey	1	0.1%
38	Switzerland	1	0.1%
39	Philippines	1	0.1%