Rank	Countries/Territories	Count	Percent
1	United States	344	37.3%
2	China	315	34.2%
3	Germany	62	6.7%
4	Ireland	46	5%
5	Canada	22	2.4%
6	Syrian Arab Republic	21	2.3%
7	France	18	2%
8	India	16	1.7%
9	Japan	10	1.1%
10	Australia	8	0.9%
11	Turkey	6	0.7%
12	United Kingdom	5	0.5%
13	Taiwan	5	0.5%
14	Israel	5	0.5%
15	Cyprus	4	0.4%
16	Netherlands	4	0.4%
17	Philippines	4	0.4%
18	Spain	3	0.3%
19	Sweden	3	0.3%
20	Romania	2	0.2%
21	South Africa	2	0.2%
22	Ukraine	2	0.2%
23	Georgia	2	0.2%
24	Bulgaria	2	0.2%
25	Chile	2	0.2%
26	Hong Kong	2	0.2%
27	Mongolia	2	0.2%
28	Lithuania	1	0.1%
29	Italy	1	0.1%
30	Singapore	1	0.1%
31	Pakistan	1	0.1%
32	Switzerland	1	0.1%