Rank	Countries/Territories	Count	Percent
1	United States	261	31.8%
2	China	184	22.4%
3		72	8.8%
4	Germany	51	6.2%
5	Ireland	35	4.3%
6	Iran, Islamic Republic of	30	3.7%
7	India	24	2.9%
8	Japan	16	1.9%
9	Russia	12	1.5%
10	Singapore	11	1.3%
11	United Kingdom	11	1.3%
12	Korea, Republic of	10	1.2%
13	Hong Kong	10	1.2%
14	Australia	8	1%
15	Taiwan	8	1%
16	France	7	0.9%
17	Canada	6	0.7%
18	Pakistan	6	0.7%
19	Netherlands	5	0.6%
20	Cote D'ivoire	5	0.6%
21	Israel	5	0.6%
22	Italy	5	0.6%
23	Cyprus	4	0.5%
24	Moldova, Republic of	4	0.5%
25	Egypt	3	0.4%
26	New Zealand	3	0.4%
27	Spain	3	0.4%
28	Sweden	3	0.4%
29	Switzerland	3	0.4%
30	Thailand	2	0.2%
31	Slovenia	2	0.2%
32	Mexico	2	0.2%
33	Jordan	2	0.2%
34	Bangladesh	1	0.1%
35	Denmark	1	0.1%
36	Lebanon	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	South Africa	1	0.1%
40	Ukraine	1	0.1%
41	Viet Nam	1	0.1%