Rank	Countries/Territories	Count	Percent
1	United States	398	40.8%
2	China	214	21.9%
3	Germany	106	10.9%
4	Canada	21	2.2%
5	Moldova, Republic of	20	2%
6	Iran, Islamic Republic of	18	1.8%
7	Netherlands	17	1.7%
8	France	17	1.7%
9	Philippines	17	1.7%
10	India	16	1.6%
11	Ireland	11	1.1%
12	Japan	10	1%
13	Singapore	10	1%
14	Russia	9	0.9%
15	Australia	9	0.9%
16	Hong Kong	7	0.7%
17	Indonesia	5	0.5%
18	Belgium	5	0.5%
19	Yemen	5	0.5%
20	United Kingdom	5	0.5%
21	Brazil	4	0.4%
22	Norway	4	0.4%
23	Italy	3	0.3%
24	Poland	3	0.3%
25	Romania	3	0.3%
26	Argentina	3	0.3%
27	Cyprus	3	0.3%
28	Mauritius	3	0.3%
29	Spain	3	0.3%
30	Switzerland	2	0.2%
31	Ukraine	2	0.2%
32	Denmark	2	0.2%
33	Finland	2	0.2%
34	Croatia	2	0.2%
35	Bulgaria	2	0.2%
36	Korea, Republic of	2	0.2%
37	Lithuania	2	0.2%
38	Malaysia	2	0.2%
39	Israel	2	0.2%
40	Iraq	2	0.2%
41	Saudi Arabia	1	0.1%
42	Algeria	1	0.1%
43	Egypt	1	0.1%
44	Taiwan	1	0.1%
45	Turkey	1	0.1%