Rank	Countries/Territories	Count	Percent
1	United States	423	35.7%
2	China	420	35.4%
3	Germany	84	7.1%
4	United Kingdom	49	4.1%
5	France	32	2.7%
6	Japan	25	2.1%
7	Australia	23	1.9%
8	Canada	16	1.3%
9	Korea, Republic of	14	1.2%
10	Netherlands	12	1%
11	Cyprus	11	0.9%
12	Singapore	10	0.8%
13	India	9	0.8%
14	Ireland	7	0.6%
15	Ukraine	7	0.6%
16	South Africa	5	0.4%
17	Lithuania	4	0.3%
18	Russia	4	0.3%
19	Hong Kong	4	0.3%
20	Greece	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Bangladesh	3	0.3%
23	Malaysia	3	0.3%
24	Latvia	3	0.3%
25	Nigeria	2	0.2%
26	Finland	2	0.2%
27	Argentina	2	0.2%
28	Italy	2	0.2%
29	Brazil	1	0.1%
30	Bulgaria	1	0.1%
31	Switzerland	1	0.1%
32	Tanzania, United Republic of	1	0.1%