Rank	Countries/Territories	Count	Percent
1	United States	393	44.3%
2	China	179	20.2%
3	Germany	82	9.2%
4	Canada	20	2.3%
5	Moldova, Republic of	20	2.3%
6	Iran, Islamic Republic of	18	2%
7	Philippines	17	1.9%
8	Netherlands	16	1.8%
9	India	16	1.8%
10	France	15	1.7%
11	Japan	10	1.1%
12	Ireland	9	1%
13	Singapore	8	0.9%
14	Hong Kong	7	0.8%
15	Australia	7	0.8%
16	Belgium	5	0.6%
17	Indonesia	5	0.6%
18	Yemen	5	0.6%
19	Russia	5	0.6%
20	Brazil	4	0.5%
21	Norway	4	0.5%
22	Poland	3	0.3%
23	Romania	3	0.3%
24	Spain	3	0.3%
25	Italy	3	0.3%
26	United Kingdom	3	0.3%
27	Israel	2	0.2%
28	Korea, Republic of	2	0.2%
29	Lithuania	2	0.2%
30	Malaysia	2	0.2%
31	Switzerland	2	0.2%
32	Argentina	2	0.2%
33	Croatia	2	0.2%
34	Cyprus	2	0.2%
35	Denmark	2	0.2%
36	Iraq	2	0.2%
37	Finland	2	0.2%
38	Egypt	1	0.1%
39	Algeria	1	0.1%
40	Taiwan	1	0.1%
41	Turkey	1	0.1%
42	Ukraine	1	0.1%
43	Saudi Arabia	1	0.1%