Rank	Countries/Territories	Count	Percent
1	United States	397	33%
2	China	298	24.8%
3	Japan	196	16.3%
4	Germany	75	6.2%
5	Singapore	28	2.3%
6	France	26	2.2%
7	India	25	2.1%
8	Russia	19	1.6%
9	Canada	16	1.3%
10	Netherlands	14	1.2%
11	United Kingdom	13	1.1%
12	Turkey	10	0.8%
13	Ukraine	9	0.7%
14	Tunisia	8	0.7%
15	Taiwan	7	0.6%
16	Indonesia	7	0.6%
17	Ireland	6	0.5%
18	Cyprus	6	0.5%
19	Spain	6	0.5%
20	Peru	4	0.3%
21	Korea, Republic of	3	0.2%
22	Hong Kong	3	0.2%
23	Brazil	3	0.2%
24	Australia	3	0.2%
25	Austria	2	0.2%
26	Barbados	2	0.2%
27	Bulgaria	2	0.2%
28	Argentina	2	0.2%
29	Georgia	2	0.2%
30	Sweden	2	0.2%
31	Egypt	2	0.2%
32	Switzerland	1	0.1%
33	Malaysia	1	0.1%
34	Norway	1	0.1%
35	Ecuador	1	0.1%
36	Belgium	1	0.1%
37	Bolivia, Plurinational State of	1	0.1%