Rank	Countries/Territories	Count	Percent
1	United States	446	38%
2	China	390	33.2%
3	Germany	92	7.8%
4	France	56	4.8%
5	Singapore	29	2.5%
6	Japan	25	2.1%
7	United Kingdom	24	2%
8	Netherlands	20	1.7%
9	Korea, Republic of	13	1.1%
10	Romania	12	1%
11	Canada	11	0.9%
12	Australia	8	0.7%
13	Brazil	8	0.7%
14	Cyprus	5	0.4%
15	Turkey	4	0.3%
16	Italy	3	0.3%
17	Switzerland	3	0.3%
18	Mexico	3	0.3%
19	Mongolia	3	0.3%
20	India	3	0.3%
21	Iran, Islamic Republic of	2	0.2%
22	Hong Kong	2	0.2%
23	Malaysia	2	0.2%
24	Egypt	2	0.2%
25	Bangladesh	2	0.2%
26	Taiwan	2	0.2%
27	Spain	1	0.1%
28	Poland	1	0.1%
29	Ukraine	1	0.1%
30	Argentina	1	0.1%