Rank	Countries/Territories	Count	Percent
1	United States	644	42.3%
2	China	492	32.3%
3	Germany	92	6%
4	India	57	3.7%
5	Japan	45	3%
6	Singapore	45	3%
7	Russia	20	1.3%
8	Korea, Republic of	18	1.2%
9	Brazil	13	0.9%
10	Netherlands	12	0.8%
11	Canada	8	0.5%
12	France	7	0.5%
13	Australia	6	0.4%
14	Senegal	6	0.4%
15	United Kingdom	6	0.4%
16	Italy	5	0.3%
17	Taiwan	4	0.3%
18	Hong Kong	4	0.3%
19	Ukraine	4	0.3%
20	Turkey	3	0.2%
21	Spain	3	0.2%
22	Switzerland	2	0.1%
23	Nigeria	2	0.1%
24	Pakistan	2	0.1%
25	Lithuania	2	0.1%
26	Colombia	2	0.1%
27	Algeria	2	0.1%
28	Belarus	2	0.1%
29	Belgium	2	0.1%
30	United Arab Emirates	2	0.1%
31	Argentina	1	0.1%
32	Bangladesh	1	0.1%
33	Croatia	1	0.1%
34	Georgia	1	0.1%
35	Ireland	1	0.1%
36	Mongolia	1	0.1%
37	Poland	1	0.1%
38	Portugal	1	0.1%
39	Sweden	1	0.1%