Rank	Countries/Territories	Count	Percent
1	United States	227	42.6%
2	China	139	26.1%
3	Germany	59	11.1%
4	Japan	13	2.4%
5	United Kingdom	13	2.4%
6	Netherlands	12	2.3%
7	France	12	2.3%
8	Iran, Islamic Republic of	9	1.7%
9	Singapore	9	1.7%
10		7	1.3%
11	Australia	5	0.9%
12	Hong Kong	4	0.8%
13	Canada	4	0.8%
14	Belgium	3	0.6%
15	Cyprus	2	0.4%
16	Denmark	2	0.4%
17	India	2	0.4%
18	Indonesia	2	0.4%
19	Italy	2	0.4%
20	Solomon Islands	1	0.2%
21	Spain	1	0.2%
22	Ukraine	1	0.2%
23	Ireland	1	0.2%
24	Russia	1	0.2%
25	Malaysia	1	0.2%
26	Mexico	1	0.2%