Rank	Countries/Territories	Count	Percent
1	United States	227	42.3%
2	China	171	31.8%
3	Germany	32	6%
4	France	14	2.6%
5	Russia	10	1.9%
6	Canada	8	1.5%
7	Iceland	7	1.3%
8	India	7	1.3%
9	Australia	6	1.1%
10	Viet Nam	6	1.1%
11	United Kingdom	5	0.9%
12	Cyprus	5	0.9%
13	Ireland	4	0.7%
14	Japan	4	0.7%
15	Singapore	4	0.7%
16	Spain	3	0.6%
17	Portugal	3	0.6%
18	Taiwan	3	0.6%
19	Netherlands	3	0.6%
20	Poland	2	0.4%
21	Mexico	2	0.4%
22	Italy	2	0.4%
23	Hong Kong	2	0.4%
24	Turkey	2	0.4%
25	Ukraine	2	0.4%
26	Switzerland	1	0.2%
27		1	0.2%
28	Iran, Islamic Republic of	1	0.2%