Rank	Countries/Territories	Count	Percent
1	United States	406	39.5%
2	China	123	12%
3	Germany	122	11.9%
4	India	121	11.8%
5	Singapore	52	5.1%
6	Canada	35	3.4%
7	Ireland	20	1.9%
8	Japan	20	1.9%
9	Netherlands	13	1.3%
10	Korea, Republic of	11	1.1%
11	United Kingdom	11	1.1%
12	Iran, Islamic Republic of	10	1%
13	France	7	0.7%
14	Cyprus	6	0.6%
15	Argentina	5	0.5%
16	Austria	5	0.5%
17	Russia	5	0.5%
18	Sweden	5	0.5%
19	Australia	4	0.4%
20	Ethiopia	3	0.3%
21	Finland	3	0.3%
22	Italy	3	0.3%
23	Indonesia	3	0.3%
24	Libya	2	0.2%
25	Malaysia	2	0.2%
26	Mexico	2	0.2%
27	Saudi Arabia	2	0.2%
28	Egypt	2	0.2%
29	Gabon	2	0.2%
30	Greece	2	0.2%
31	Brazil	2	0.2%
32	Croatia	2	0.2%
33	Switzerland	2	0.2%
34	Viet Nam	2	0.2%
35	Tanzania, United Republic of	2	0.2%
36	Ukraine	1	0.1%
37	Taiwan	1	0.1%
38	Spain	1	0.1%
39	Denmark	1	0.1%
40	Norway	1	0.1%
41	Philippines	1	0.1%
42	Poland	1	0.1%
43	Portugal	1	0.1%
44	Romania	1	0.1%
45	Mongolia	1	0.1%
46	Israel	1	0.1%