Rank	Countries/Territories	Count	Percent
1	United States	411	35.6%
2	China	271	23.5%
3	Germany	123	10.7%
4	Singapore	61	5.3%
5	Hong Kong	43	3.7%
6	Japan	38	3.3%
7	India	24	2.1%
8	Iran, Islamic Republic of	23	2%
9	France	22	1.9%
10	Mongolia	14	1.2%
11	Russia	13	1.1%
12	Netherlands	8	0.7%
13	Canada	7	0.6%
14	Latvia	6	0.5%
15	Taiwan	6	0.5%
16	United Kingdom	6	0.5%
17	Turkey	5	0.4%
18	Mexico	5	0.4%
19	Cyprus	5	0.4%
20	Colombia	4	0.3%
21	Croatia	4	0.3%
22	Argentina	4	0.3%
23	Australia	4	0.3%
24	Ireland	4	0.3%
25	Italy	4	0.3%
26	Switzerland	4	0.3%
27	Uruguay	3	0.3%
28	Korea, Republic of	3	0.3%
29	Portugal	3	0.3%
30	Bangladesh	3	0.3%
31	Albania	3	0.3%
32	Egypt	3	0.3%
33	Indonesia	3	0.3%
34	Spain	2	0.2%
35	Sweden	2	0.2%
36	Ukraine	2	0.2%
37	Thailand	2	0.2%
38	Philippines	2	0.2%
39	Czech Republic	1	0.1%
40	Ecuador	1	0.1%
41	Brazil	1	0.1%