Rank	Countries/Territories	Count	Percent
1	United States	640	39.9%
2	China	445	27.7%
3	Germany	205	12.8%
4	Canada	53	3.3%
5	France	48	3%
6	Netherlands	19	1.2%
7	Japan	18	1.1%
8	Russia	17	1.1%
9	Australia	15	0.9%
10	Singapore	14	0.9%
11	Cyprus	12	0.7%
12	Hong Kong	9	0.6%
13	United Kingdom	9	0.6%
14	Sweden	8	0.5%
15	Turkey	7	0.4%
16	Czech Republic	7	0.4%
17	Italy	7	0.4%
18	Mongolia	5	0.3%
19	Iran, Islamic Republic of	5	0.3%
20	Argentina	4	0.2%
21	Latvia	4	0.2%
22	Ukraine	4	0.2%
23	United Arab Emirates	4	0.2%
24	Malaysia	3	0.2%
25	Israel	3	0.2%
26	Korea, Republic of	3	0.2%
27	Puerto Rico	3	0.2%
28	Romania	3	0.2%
29	India	3	0.2%
30	Indonesia	3	0.2%
31	Gambia	2	0.1%
32	Ghana	2	0.1%
33	Colombia	2	0.1%
34	South Africa	2	0.1%
35	Spain	2	0.1%
36	Lithuania	2	0.1%
37	Luxembourg	2	0.1%
38	Pakistan	2	0.1%
39	Uruguay	2	0.1%
40	Uganda	1	0.1%
41	Switzerland	1	0.1%
42	Nigeria	1	0.1%
43	Bangladesh	1	0.1%
44	Brazil	1	0.1%
45	Iraq	1	0.1%