Rank	Countries/Territories	Count	Percent
1	United States	588	42.1%
2	China	413	29.6%
3	Germany	159	11.4%
4	India	33	2.4%
5	France	30	2.1%
6		24	1.7%
7	Egypt	22	1.6%
8	Netherlands	21	1.5%
9	Singapore	19	1.4%
10	Japan	18	1.3%
11	Russia	8	0.6%
12	Cyprus	7	0.5%
13	Australia	6	0.4%
14	Bahrain	6	0.4%
15	Latvia	6	0.4%
16	United Kingdom	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Ireland	4	0.3%
19	Canada	3	0.2%
20	Taiwan	3	0.2%
21	Kuwait	3	0.2%
22	Mongolia	2	0.1%
23	Hong Kong	2	0.1%
24	Bangladesh	2	0.1%
25	Cameroon	2	0.1%
26	Argentina	1	0.1%
27	Korea, Republic of	1	0.1%
28	Ukraine	1	0.1%
29	Lithuania	1	0.1%
30	Luxembourg	1	0.1%
31	Sweden	1	0.1%
32	Switzerland	1	0.1%