Rank	Countries/Territories	Count	Percent
1	United States	483	54.7%
2	China	170	19.3%
3	Germany	48	5.4%
4	Singapore	39	4.4%
5	France	34	3.9%
6	India	30	3.4%
7	Norway	16	1.8%
8	Canada	12	1.4%
9	Japan	8	0.9%
10	Cyprus	6	0.7%
11	United Kingdom	6	0.7%
12	Netherlands	5	0.6%
13	Australia	4	0.5%
14	Argentina	3	0.3%
15	Iran, Islamic Republic of	3	0.3%
16	Ukraine	3	0.3%
17	South Africa	2	0.2%
18	Georgia	2	0.2%
19	Egypt	1	0.1%
20	Brazil	1	0.1%
21	Ireland	1	0.1%
22	Hong Kong	1	0.1%
23	Malaysia	1	0.1%
24	Mongolia	1	0.1%
25	Pakistan	1	0.1%
26	Romania	1	0.1%
27	Spain	1	0.1%