Rank	Countries/Territories	Count	Percent
1	United States	631	39.5%
2	China	472	29.6%
3	Germany	158	9.9%
4	Ireland	43	2.7%
5	Iran, Islamic Republic of	26	1.6%
6	Korea, Republic of	24	1.5%
7	United Kingdom	21	1.3%
8	India	20	1.3%
9	France	20	1.3%
10	Japan	18	1.1%
11	Netherlands	16	1%
12	Russia	14	0.9%
13	Cyprus	14	0.9%
14	Canada	14	0.9%
15	Romania	10	0.6%
16	Australia	9	0.6%
17	Sweden	9	0.6%
18	Hong Kong	8	0.5%
19	Denmark	7	0.4%
20	Singapore	7	0.4%
21	Italy	6	0.4%
22	Turkey	6	0.4%
23	Malaysia	5	0.3%
24	Mongolia	4	0.3%
25	Taiwan	4	0.3%
26	Argentina	3	0.2%
27	Czech Republic	2	0.1%
28	Bangladesh	2	0.1%
29	Belgium	2	0.1%
30	Bosnia and Herzegovina	2	0.1%
31	Bulgaria	2	0.1%
32	Finland	2	0.1%
33	Luxembourg	2	0.1%
34	Israel	2	0.1%
35	South Africa	2	0.1%
36	Norway	2	0.1%
37	Philippines	2	0.1%
38	Portugal	1	0.1%
39	Pakistan	1	0.1%
40	Switzerland	1	0.1%
41	Georgia	1	0.1%
42	Ukraine	1	0.1%