Rank	Countries/Territories	Count	Percent
1	United States	484	30.2%
2	China	284	17.7%
3	Japan	273	17%
4	India	93	5.8%
5	Germany	76	4.7%
6	Iran, Islamic Republic of	41	2.6%
7	Canada	39	2.4%
8	United Kingdom	35	2.2%
9	Singapore	30	1.9%
10	Korea, Republic of	28	1.7%
11	Netherlands	23	1.4%
12	Nigeria	20	1.2%
13	France	18	1.1%
14	Russia	13	0.8%
15	Taiwan	11	0.7%
16	Ireland	11	0.7%
17	Australia	9	0.6%
18	Spain	8	0.5%
19	Sweden	7	0.4%
20	United Arab Emirates	7	0.4%
21	Hong Kong	7	0.4%
22	Brazil	6	0.4%
23	Indonesia	6	0.4%
24	Italy	6	0.4%
25	Macao	6	0.4%
26	Turkey	6	0.4%
27	Norway	5	0.3%
28	Bulgaria	5	0.3%
29	Bangladesh	5	0.3%
30	Cyprus	4	0.2%
31	Egypt	3	0.2%
32	Israel	3	0.2%
33	Ukraine	3	0.2%
34	Qatar	3	0.2%
35	Romania	3	0.2%
36	Luxembourg	2	0.1%
37	Switzerland	2	0.1%
38	Portugal	2	0.1%
39	New Zealand	2	0.1%
40	Colombia	2	0.1%
41	Austria	2	0.1%
42	Belgium	1	0.1%
43		1	0.1%
44	Denmark	1	0.1%
45	Finland	1	0.1%
46	Malaysia	1	0.1%
47	Morocco	1	0.1%
48	Puerto Rico	1	0.1%
49	Pakistan	1	0.1%
50	Libya	1	0.1%
51	Viet Nam	1	0.1%