Rank	Countries/Territories	Count	Percent
1	United States	413	39.2%
2	China	294	27.9%
3	Japan	83	7.9%
4	Germany	82	7.8%
5	Russia	32	3%
6	Canada	25	2.4%
7	France	20	1.9%
8	Singapore	15	1.4%
9	Ireland	8	0.8%
10	Korea, Republic of	8	0.8%
11	Cyprus	7	0.7%
12	Colombia	6	0.6%
13	Mexico	6	0.6%
14	Netherlands	5	0.5%
15	United Kingdom	5	0.5%
16	Viet Nam	4	0.4%
17	Taiwan	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Australia	4	0.4%
20	Hong Kong	4	0.4%
21	India	3	0.3%
22	Lithuania	3	0.3%
23	New Zealand	3	0.3%
24	Spain	3	0.3%
25	Uganda	2	0.2%
26	Ukraine	2	0.2%
27	Nigeria	2	0.2%
28	Brazil	2	0.2%
29	Croatia	2	0.2%
30	Bulgaria	1	0.1%
31	Turkey	1	0.1%
32	Switzerland	1	0.1%