Rank	Countries/Territories	Count	Percent
1	United States	436	38.2%
2	China	344	30.1%
3	Germany	150	13.1%
4		40	3.5%
5	Australia	32	2.8%
6	Japan	30	2.6%
7	Norway	21	1.8%
8	Singapore	18	1.6%
9	France	13	1.1%
10	Canada	12	1.1%
11	Netherlands	9	0.8%
12	Cyprus	8	0.7%
13	United Kingdom	4	0.4%
14	Russia	3	0.3%
15	Taiwan	2	0.2%
16	Pakistan	2	0.2%
17	Ethiopia	2	0.2%
18	Finland	2	0.2%
19	Malta	2	0.2%
20	India	2	0.2%
21	Indonesia	2	0.2%
22	Iran, Islamic Republic of	1	0.1%
23	Ireland	1	0.1%
24	Mongolia	1	0.1%
25	Hong Kong	1	0.1%
26	Georgia	1	0.1%
27	Bangladesh	1	0.1%
28	Solomon Islands	1	0.1%
29	Vanuatu	1	0.1%