Rank	Countries/Territories	Count	Percent
1	United States	458	32.5%
2	China	423	30%
3	Japan	187	13.3%
4	Singapore	85	6%
5	Germany	74	5.3%
6	France	29	2.1%
7	Mongolia	22	1.6%
8	Netherlands	15	1.1%
9	United Kingdom	13	0.9%
10	Spain	12	0.9%
11	Egypt	12	0.9%
12	Korea, Republic of	9	0.6%
13	Russia	7	0.5%
14	Hong Kong	6	0.4%
15	Cyprus	5	0.4%
16	Canada	5	0.4%
17	Australia	5	0.4%
18	Iran, Islamic Republic of	4	0.3%
19	Iraq	3	0.2%
20	Bangladesh	3	0.2%
21	Nigeria	3	0.2%
22	Ukraine	3	0.2%
23	Viet Nam	2	0.1%
24	Belgium	2	0.1%
25	Bulgaria	2	0.1%
26	Chile	2	0.1%
27	Ireland	2	0.1%
28	Greece	2	0.1%
29	Argentina	1	0.1%
30	Israel	1	0.1%
31	Italy	1	0.1%
32	Pakistan	1	0.1%
33	Philippines	1	0.1%
34	Poland	1	0.1%
35	Portugal	1	0.1%
36	Romania	1	0.1%
37	Mexico	1	0.1%
38	Switzerland	1	0.1%
39	Taiwan	1	0.1%
40	Thailand	1	0.1%
41	Uganda	1	0.1%
42	Slovakia	1	0.1%