Rank	Countries/Territories	Count	Percent
1	United States	417	38.9%
2	China	315	29.4%
3	Germany	112	10.5%
4		43	4%
5	Australia	42	3.9%
6	Japan	34	3.2%
7	France	24	2.2%
8	Singapore	18	1.7%
9	Hong Kong	13	1.2%
10	Netherlands	12	1.1%
11	Norway	11	1%
12	Cyprus	5	0.5%
13	Korea, Republic of	4	0.4%
14	Iran, Islamic Republic of	4	0.4%
15	Ukraine	3	0.3%
16	India	2	0.2%
17	Pakistan	2	0.2%
18	Russia	2	0.2%
19	Canada	2	0.2%
20	Argentina	2	0.2%
21	Belgium	1	0.1%
22	Malaysia	1	0.1%
23	Mongolia	1	0.1%
24	Switzerland	1	0.1%