Rank	Countries/Territories	Count	Percent
1	United States	252	39.1%
2	China	193	30%
3	Germany	35	5.4%
4	Greece	24	3.7%
5	Netherlands	17	2.6%
6	Singapore	14	2.2%
7	Japan	13	2%
8	United Kingdom	12	1.9%
9	Italy	11	1.7%
10	Brazil	10	1.6%
11	India	8	1.2%
12	Spain	7	1.1%
13	Sweden	6	0.9%
14	Iran, Islamic Republic of	6	0.9%
15	France	6	0.9%
16	Taiwan	4	0.6%
17	Canada	3	0.5%
18	Cyprus	3	0.5%
19	Hong Kong	2	0.3%
20	Malaysia	2	0.3%
21	Ireland	2	0.3%
22	Israel	2	0.3%
23	Morocco	2	0.3%
24	Viet Nam	2	0.3%
25	New Zealand	2	0.3%
26	Poland	1	0.2%
27	Russia	1	0.2%
28	Switzerland	1	0.2%
29	Mexico	1	0.2%
30	Australia	1	0.2%
31	Colombia	1	0.2%