Rank	Countries/Territories	Count	Percent
1	United States	521	53.7%
2	China	167	17.2%
3	Germany	128	13.2%
4	Japan	30	3.1%
5	France	22	2.3%
6	Russia	20	2.1%
7	Netherlands	14	1.4%
8	Canada	11	1.1%
9	India	10	1%
10	Sweden	7	0.7%
11	Singapore	5	0.5%
12	United Kingdom	5	0.5%
13	Cyprus	5	0.5%
14	Spain	4	0.4%
15	Vanuatu	3	0.3%
16	Switzerland	2	0.2%
17	Ireland	2	0.2%
18	Australia	2	0.2%
19	Korea, Republic of	2	0.2%
20	Latvia	1	0.1%
21	Mexico	1	0.1%
22	Indonesia	1	0.1%
23	Ghana	1	0.1%
24	Bangladesh	1	0.1%
25	Chile	1	0.1%
26	Egypt	1	0.1%
27	Georgia	1	0.1%
28	Argentina	1	0.1%
29	Poland	1	0.1%
30	Romania	1	0.1%