Rank	Countries/Territories	Count	Percent
1	United States	844	42.8%
2	China	542	27.5%
3	Germany	125	6.3%
4	Canada	51	2.6%
5	France	43	2.2%
6	Japan	39	2%
7	Iran, Islamic Republic of	34	1.7%
8	Netherlands	28	1.4%
9	Turkey	23	1.2%
10	Ukraine	22	1.1%
11	Australia	21	1.1%
12	Cyprus	16	0.8%
13	Indonesia	15	0.8%
14	Brazil	14	0.7%
15	Spain	14	0.7%
16	United Kingdom	12	0.6%
17	Poland	11	0.6%
18	Peru	9	0.5%
19	Singapore	8	0.4%
20	Israel	8	0.4%
21	Romania	7	0.4%
22	Russia	7	0.4%
23	India	7	0.4%
24	Thailand	6	0.3%
25	Nigeria	5	0.3%
26	Norway	4	0.2%
27	Iraq	4	0.2%
28	Egypt	4	0.2%
29		4	0.2%
30	Argentina	4	0.2%
31	Uganda	4	0.2%
32	Taiwan	4	0.2%
33	Denmark	3	0.2%
34	Ireland	3	0.2%
35	Italy	3	0.2%
36	Korea, Republic of	3	0.2%
37	Mexico	2	0.1%
38	Mongolia	2	0.1%
39	Pakistan	2	0.1%
40	Hong Kong	2	0.1%
41	Trinidad and Tobago	2	0.1%
42	Switzerland	1	0.1%
43	United Arab Emirates	1	0.1%
44	Viet Nam	1	0.1%
45	Dominican Republic	1	0.1%
46	Bulgaria	1	0.1%
47	Chile	1	0.1%
48	Colombia	1	0.1%
49	Slovakia	1	0.1%
50	Malaysia	1	0.1%