Rank	Countries/Territories	Count	Percent
1	United States	436	41.5%
2	China	355	33.8%
3	Germany	94	9%
4	France	38	3.6%
5	Japan	21	2%
6	Singapore	17	1.6%
7	Australia	12	1.1%
8	Canada	11	1%
9	Cyprus	10	1%
10	Iran, Islamic Republic of	9	0.9%
11	Netherlands	9	0.9%
12	Mongolia	4	0.4%
13	Korea, Republic of	4	0.4%
14	Hong Kong	3	0.3%
15	Argentina	3	0.3%
16	Indonesia	3	0.3%
17	Russia	3	0.3%
18	Ukraine	2	0.2%
19	Norway	2	0.2%
20	Spain	2	0.2%
21	Switzerland	2	0.2%
22	Greece	2	0.2%
23	India	2	0.2%
24	Ireland	2	0.2%
25	Malaysia	1	0.1%
26	Mexico	1	0.1%
27	Taiwan	1	0.1%
28	Pakistan	1	0.1%