Rank	Countries/Territories	Count	Percent
1	United States	463	41.1%
2	China	377	33.5%
3	Germany	104	9.2%
4	France	55	4.9%
5	Japan	29	2.6%
6	Canada	18	1.6%
7	Netherlands	15	1.3%
8	Singapore	12	1.1%
9	Cyprus	7	0.6%
10	Ukraine	6	0.5%
11	United Kingdom	4	0.4%
12	Spain	4	0.4%
13	Korea, Republic of	4	0.4%
14	Iran, Islamic Republic of	3	0.3%
15	Czech Republic	3	0.3%
16	Russia	3	0.3%
17	Switzerland	2	0.2%
18	Turkey	2	0.2%
19	Djibouti	2	0.2%
20	Ireland	2	0.2%
21	Hong Kong	2	0.2%
22	India	2	0.2%
23	Indonesia	2	0.2%
24	Argentina	1	0.1%
25	Bahamas	1	0.1%
26	Bulgaria	1	0.1%
27	New Zealand	1	0.1%
28	Romania	1	0.1%