Rank	Countries/Territories	Count	Percent
1	United States	400	27.9%
2	China	270	18.8%
3	Japan	266	18.6%
4	India	85	5.9%
5	Germany	57	4%
6	Iran, Islamic Republic of	38	2.7%
7	Canada	37	2.6%
8	United Kingdom	34	2.4%
9	Singapore	30	2.1%
10	Korea, Republic of	25	1.7%
11	Netherlands	23	1.6%
12	France	16	1.1%
13	Nigeria	15	1%
14	Ireland	11	0.8%
15	Taiwan	11	0.8%
16	Spain	8	0.6%
17	Australia	8	0.6%
18	Hong Kong	7	0.5%
19	United Arab Emirates	7	0.5%
20	Turkey	6	0.4%
21	Indonesia	6	0.4%
22	Italy	6	0.4%
23	Macao	6	0.4%
24	Bangladesh	5	0.3%
25	Brazil	5	0.3%
26	Bulgaria	5	0.3%
27	Norway	4	0.3%
28	Sweden	4	0.3%
29	Ukraine	3	0.2%
30	Qatar	3	0.2%
31	Romania	3	0.2%
32	Israel	3	0.2%
33	Cyprus	3	0.2%
34	Colombia	2	0.1%
35	Austria	2	0.1%
36	Luxembourg	2	0.1%
37	New Zealand	2	0.1%
38	Russia	2	0.1%
39	Switzerland	2	0.1%
40	Viet Nam	1	0.1%
41	Malaysia	1	0.1%
42	Morocco	1	0.1%
43	Pakistan	1	0.1%
44	Portugal	1	0.1%
45	Puerto Rico	1	0.1%
46	Libya	1	0.1%
47	Belgium	1	0.1%
48	Denmark	1	0.1%
49	Egypt	1	0.1%
50	Finland	1	0.1%