Rank	Countries/Territories	Count	Percent
1	United States	516	44.4%
2	China	331	28.5%
3	Germany	153	13.2%
4	Japan	18	1.6%
5	Canada	14	1.2%
6	Australia	14	1.2%
7	Korea, Republic of	13	1.1%
8	Netherlands	13	1.1%
9	Singapore	13	1.1%
10	Russia	12	1%
11	India	12	1%
12	France	12	1%
13	Cyprus	9	0.8%
14	Iran, Islamic Republic of	6	0.5%
15	Norway	3	0.3%
16	Malaysia	3	0.3%
17	Ukraine	3	0.3%
18	Spain	3	0.3%
19	Switzerland	2	0.2%
20	Turkey	2	0.2%
21	Indonesia	2	0.2%
22	Argentina	2	0.2%
23	Brazil	2	0.2%
24	Azerbaijan	1	0.1%
25	Iraq	1	0.1%
26	United Kingdom	1	0.1%