Rank	Countries/Territories	Count	Percent
1	United States	339	41.9%
2	China	93	11.5%
3	Japan	63	7.8%
4	Germany	57	7%
5	India	42	5.2%
6	Singapore	27	3.3%
7	Australia	20	2.5%
8	Korea, Republic of	18	2.2%
9	Malaysia	17	2.1%
10	Romania	16	2%
11	Iraq	16	2%
12	Ireland	13	1.6%
13	South Africa	8	1%
14	Cyprus	7	0.9%
15	Thailand	6	0.7%
16	Nigeria	6	0.7%
17	Pakistan	5	0.6%
18	Canada	5	0.6%
19	France	5	0.6%
20	United Kingdom	5	0.6%
21	Iran, Islamic Republic of	4	0.5%
22	Poland	4	0.5%
23	New Zealand	4	0.5%
24	Netherlands	3	0.4%
25	Egypt	3	0.4%
26	Bangladesh	3	0.4%
27	Brazil	3	0.4%
28	Botswana	2	0.2%
29	Norway	2	0.2%
30	Philippines	2	0.2%
31	Spain	2	0.2%
32	Ukraine	2	0.2%
33	Turkey	1	0.1%
34	Palestine, State of	1	0.1%
35	Israel	1	0.1%
36	Bulgaria	1	0.1%
37	Mongolia	1	0.1%
38	Indonesia	1	0.1%
39	Ghana	1	0.1%
40	Hungary	1	0.1%