Rank	Countries/Territories	Count	Percent
1	United States	510	33.2%
2	China	404	26.3%
3	Germany	125	8.1%
4	Ireland	78	5.1%
5	India	73	4.8%
6	Singapore	64	4.2%
7	Netherlands	51	3.3%
8	Japan	40	2.6%
9	Korea, Republic of	33	2.1%
10	Brazil	27	1.8%
11	Bangladesh	17	1.1%
12	France	14	0.9%
13	Australia	12	0.8%
14	Hong Kong	9	0.6%
15	United Kingdom	9	0.6%
16	Russia	8	0.5%
17	Iran, Islamic Republic of	7	0.5%
18	Mongolia	4	0.3%
19	Saudi Arabia	4	0.3%
20	Canada	4	0.3%
21	Chile	4	0.3%
22	Argentina	4	0.3%
23	Ukraine	4	0.3%
24	Romania	3	0.2%
25	Afghanistan	3	0.2%
26	Peru	3	0.2%
27	Philippines	2	0.1%
28	Norway	2	0.1%
29	Czech Republic	2	0.1%
30	Denmark	2	0.1%
31	Ecuador	2	0.1%
32	Indonesia	2	0.1%
33	Taiwan	2	0.1%
34	Turkey	2	0.1%
35	Austria	1	0.1%
36	Lebanon	1	0.1%
37	Poland	1	0.1%
38	Portugal	1	0.1%
39	Slovakia	1	0.1%
40	Spain	1	0.1%