Rank	Countries/Territories	Count	Percent
1	United States	311	38%
2	China	270	33%
3	Germany	58	7.1%
4		26	3.2%
5	Japan	25	3.1%
6	France	22	2.7%
7	Mexico	17	2.1%
8	Singapore	10	1.2%
9	India	10	1.2%
10	Netherlands	9	1.1%
11	Switzerland	7	0.9%
12	Brazil	7	0.9%
13	Korea, Republic of	6	0.7%
14	Canada	5	0.6%
15	South Africa	5	0.6%
16	Cyprus	4	0.5%
17	Mauritius	3	0.4%
18	Afghanistan	3	0.4%
19	United Kingdom	3	0.4%
20	Spain	2	0.2%
21	Sweden	2	0.2%
22	Ukraine	2	0.2%
23	Romania	2	0.2%
24	Colombia	2	0.2%
25	Ireland	2	0.2%
26	Finland	2	0.2%
27	Bangladesh	2	0.2%
28	Argentina	1	0.1%
29	Australia	1	0.1%