Rank	Countries/Territories	Count	Percent
1	United States	645	35.9%
2	China	599	33.3%
3	Germany	132	7.3%
4	France	69	3.8%
5	Argentina	42	2.3%
6	Australia	41	2.3%
7	Japan	28	1.6%
8	Netherlands	20	1.1%
9	Norway	19	1.1%
10	Canada	18	1%
11	Cyprus	17	0.9%
12	United Kingdom	17	0.9%
13	Korea, Republic of	15	0.8%
14	India	14	0.8%
15	Russia	12	0.7%
16	Singapore	12	0.7%
17	Pakistan	11	0.6%
18	Brazil	9	0.5%
19	Hong Kong	7	0.4%
20	Iran, Islamic Republic of	6	0.3%
21	Bangladesh	6	0.3%
22	South Africa	6	0.3%
23	Switzerland	6	0.3%
24	Malaysia	5	0.3%
25	Palestine, State of	5	0.3%
26	Turkey	5	0.3%
27	Ukraine	4	0.2%
28	Latvia	4	0.2%
29	Iceland	3	0.2%
30	Romania	3	0.2%
31	Greece	2	0.1%
32	Colombia	2	0.1%
33	Croatia	2	0.1%
34	Spain	2	0.1%
35	Sweden	2	0.1%
36	Taiwan	1	0.1%
37	Luxembourg	1	0.1%
38	Macao	1	0.1%
39	Poland	1	0.1%
40	Austria	1	0.1%
41	Iraq	1	0.1%
42	Ireland	1	0.1%
43	United Arab Emirates	1	0.1%
44	Uzbekistan	1	0.1%