Rank	Countries/Territories	Count	Percent
1	United States	603	34.7%
2	China	497	28.6%
3	Japan	195	11.2%
4	Germany	99	5.7%
5	Singapore	88	5.1%
6	France	44	2.5%
7	United Kingdom	43	2.5%
8	Mongolia	22	1.3%
9	Netherlands	20	1.2%
10	Russia	19	1.1%
11	Spain	18	1%
12	Egypt	12	0.7%
13	Korea, Republic of	11	0.6%
14	Hong Kong	7	0.4%
15	Australia	6	0.3%
16	Canada	5	0.3%
17	Cyprus	5	0.3%
18	Iran, Islamic Republic of	4	0.2%
19	Iraq	3	0.2%
20	Nigeria	3	0.2%
21	Bangladesh	3	0.2%
22	Ukraine	3	0.2%
23	Viet Nam	2	0.1%
24	Belgium	2	0.1%
25	Chile	2	0.1%
26	Bulgaria	2	0.1%
27	Greece	2	0.1%
28	Ireland	2	0.1%
29	Israel	1	0.1%
30	Italy	1	0.1%
31	Mexico	1	0.1%
32	Slovakia	1	0.1%
33	Norway	1	0.1%
34	Pakistan	1	0.1%
35	Philippines	1	0.1%
36	Poland	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	India	1	0.1%
40	Argentina	1	0.1%
41	Brazil	1	0.1%
42	Switzerland	1	0.1%
43	Taiwan	1	0.1%
44	Thailand	1	0.1%
45	Uganda	1	0.1%