Rank	Countries/Territories	Count	Percent
1	United States	650	44.6%
2	China	437	30%
3	Germany	127	8.7%
4	Singapore	34	2.3%
5	France	28	1.9%
6	Netherlands	28	1.9%
7	Korea, Republic of	16	1.1%
8	Switzerland	14	1%
9	Bulgaria	12	0.8%
10	Canada	9	0.6%
11	Cyprus	9	0.6%
12	Japan	8	0.5%
13	Nigeria	7	0.5%
14	Thailand	7	0.5%
15	Viet Nam	7	0.5%
16	United Kingdom	6	0.4%
17	Hong Kong	6	0.4%
18	India	6	0.4%
19	Indonesia	6	0.4%
20	Australia	6	0.4%
21	Latvia	5	0.3%
22	Mexico	3	0.2%
23	Turkey	3	0.2%
24	Argentina	3	0.2%
25	Bolivia, Plurinational State of	3	0.2%
26	Bangladesh	2	0.1%
27	Ecuador	2	0.1%
28	Egypt	2	0.1%
29	Finland	2	0.1%
30	Russia	2	0.1%
31	Spain	1	0.1%
32	Ukraine	1	0.1%
33	Mongolia	1	0.1%
34	Morocco	1	0.1%
35	Myanmar	1	0.1%
36	Nepal	1	0.1%
37	Norway	1	0.1%
38	Cote D'ivoire	1	0.1%