Rank	Countries/Territories	Count	Percent
1	United States	301	38.3%
2	China	180	22.9%
3	Germany	54	6.9%
4	Spain	28	3.6%
5	Ukraine	20	2.5%
6	United Kingdom	20	2.5%
7	Ireland	17	2.2%
8	India	16	2%
9	France	15	1.9%
10	Argentina	15	1.9%
11	Japan	13	1.7%
12	Korea, Republic of	10	1.3%
13	Netherlands	10	1.3%
14	Canada	9	1.1%
15	Iran, Islamic Republic of	9	1.1%
16	Iraq	8	1%
17	Portugal	7	0.9%
18	Singapore	6	0.8%
19	Cyprus	6	0.8%
20	Australia	4	0.5%
21	Belgium	4	0.5%
22	Bosnia and Herzegovina	3	0.4%
23	Greece	3	0.4%
24	Romania	3	0.4%
25	Malta	2	0.3%
26	Jordan	2	0.3%
27	Italy	2	0.3%
28	Hong Kong	2	0.3%
29	Egypt	2	0.3%
30	Finland	1	0.1%
31	Czech Republic	1	0.1%
32	Indonesia	1	0.1%
33	Mongolia	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	Switzerland	1	0.1%
42	Turkey	1	0.1%
43	Venezuela, Bolivarian Republic of	1	0.1%