Rank	Countries/Territories	Count	Percent
1	United States	507	37.1%
2	China	488	35.7%
3	Germany	147	10.8%
4	Japan	34	2.5%
5	Canada	32	2.3%
6	France	23	1.7%
7	Netherlands	16	1.2%
8	Cyprus	13	1%
9	Switzerland	9	0.7%
10	Korea, Republic of	8	0.6%
11	India	7	0.5%
12	Australia	7	0.5%
13	Spain	7	0.5%
14	United Kingdom	7	0.5%
15	Ireland	6	0.4%
16	Mongolia	5	0.4%
17	Israel	4	0.3%
18	Romania	4	0.3%
19	Sweden	4	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Bangladesh	3	0.2%
22	Hungary	3	0.2%
23	Italy	2	0.1%
24	Russia	2	0.1%
25	Singapore	2	0.1%
26	Norway	2	0.1%
27	Ukraine	2	0.1%
28	Poland	2	0.1%
29	Czech Republic	2	0.1%
30	Denmark	2	0.1%
31	Egypt	2	0.1%
32	Guam	2	0.1%
33	Latvia	2	0.1%
34	Lebanon	2	0.1%
35	Lithuania	2	0.1%
36	Finland	1	0.1%
37	Brazil	1	0.1%
38	Philippines	1	0.1%