Rank	Countries/Territories	Count	Percent
1	United States	264	38.5%
2	China	205	29.9%
3	Germany	86	12.5%
4	France	46	6.7%
5	Japan	17	2.5%
6	Canada	15	2.2%
7	Singapore	10	1.5%
8	Netherlands	10	1.5%
9	United Kingdom	4	0.6%
10	Spain	4	0.6%
11	Cyprus	3	0.4%
12	Djibouti	2	0.3%
13	Hong Kong	2	0.3%
14	India	2	0.3%
15	Indonesia	2	0.3%
16	Ireland	2	0.3%
17	Switzerland	2	0.3%
18	Turkey	2	0.3%
19	Ukraine	2	0.3%
20	Korea, Republic of	2	0.3%
21	Argentina	1	0.1%
22	Bahamas	1	0.1%
23	New Zealand	1	0.1%
24	Romania	1	0.1%