Rank	Countries/Territories	Count	Percent
1	United States	355	37.4%
2	China	325	34.2%
3	Germany	80	8.4%
4	France	43	4.5%
5	Canada	23	2.4%
6		18	1.9%
7	Japan	13	1.4%
8	Singapore	11	1.2%
9	Ukraine	8	0.8%
10	United Kingdom	7	0.7%
11	Ireland	7	0.7%
12	Malaysia	7	0.7%
13	Netherlands	7	0.7%
14	Australia	6	0.6%
15	Cyprus	6	0.6%
16	Bangladesh	5	0.5%
17	Hong Kong	4	0.4%
18	India	4	0.4%
19	Spain	4	0.4%
20	Sweden	4	0.4%
21	Switzerland	2	0.2%
22	Taiwan	2	0.2%
23	Italy	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Argentina	2	0.2%
26	Poland	1	0.1%
27	Romania	1	0.1%
28	Russia	1	0.1%