Rank	Countries/Territories	Count	Percent
1	United States	334	37.5%
2	China	276	31%
3	Germany	62	7%
4	Japan	54	6.1%
5	Egypt	23	2.6%
6	India	19	2.1%
7	Singapore	19	2.1%
8	Italy	15	1.7%
9	Russia	11	1.2%
10	Netherlands	10	1.1%
11	Canada	10	1.1%
12	Australia	8	0.9%
13	United Kingdom	8	0.9%
14	France	6	0.7%
15	Poland	3	0.3%
16	Cyprus	3	0.3%
17	Korea, Republic of	2	0.2%
18	Ukraine	2	0.2%
19	South Africa	2	0.2%
20	Greece	2	0.2%
21	Indonesia	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Austria	2	0.2%
24	Bulgaria	2	0.2%
25	Colombia	2	0.2%
26	Bangladesh	1	0.1%
27	Belarus	1	0.1%
28	Brazil	1	0.1%
29	Ireland	1	0.1%
30	Hong Kong	1	0.1%
31	Thailand	1	0.1%
32	Turkey	1	0.1%
33	Uganda	1	0.1%
34	Yemen	1	0.1%
35	Romania	1	0.1%
36	Peru	1	0.1%