Rank	Countries/Territories	Count	Percent
1	United States	349	39.2%
2	China	202	22.7%
3	Germany	71	8%
4	Spain	28	3.1%
5	Ukraine	20	2.2%
6	United Kingdom	20	2.2%
7	Ireland	20	2.2%
8	France	16	1.8%
9	India	16	1.8%
10	Iran, Islamic Republic of	15	1.7%
11	Argentina	15	1.7%
12	Japan	15	1.7%
13	Netherlands	13	1.5%
14	Korea, Republic of	10	1.1%
15	Canada	9	1%
16	Iraq	8	0.9%
17	Cyprus	7	0.8%
18	Portugal	7	0.8%
19	Singapore	6	0.7%
20	Australia	4	0.4%
21	Belgium	4	0.4%
22	Bosnia and Herzegovina	3	0.3%
23	Greece	3	0.3%
24	Romania	3	0.3%
25	Malta	2	0.2%
26	Mongolia	2	0.2%
27	Jordan	2	0.2%
28	Italy	2	0.2%
29	Hong Kong	2	0.2%
30	Egypt	2	0.2%
31	Finland	1	0.1%
32	Czech Republic	1	0.1%
33	Indonesia	1	0.1%
34	Morocco	1	0.1%
35	Libya	1	0.1%
36	Russia	1	0.1%
37	South Africa	1	0.1%
38	Norway	1	0.1%
39	Pakistan	1	0.1%
40	Palestine, State of	1	0.1%
41	Venezuela, Bolivarian Republic of	1	0.1%
42	Sri Lanka	1	0.1%
43	Switzerland	1	0.1%
44	Turkey	1	0.1%