Rank	Countries/Territories	Count	Percent
1	United States	318	32.1%
2	China	201	20.3%
3	Japan	149	15.1%
4	India	81	8.2%
5	Germany	58	5.9%
6	France	40	4%
7	Singapore	25	2.5%
8	United Kingdom	18	1.8%
9	Iran, Islamic Republic of	14	1.4%
10	Russia	13	1.3%
11	Canada	10	1%
12	Malaysia	7	0.7%
13	Netherlands	7	0.7%
14	Taiwan	5	0.5%
15	Australia	5	0.5%
16	Hong Kong	4	0.4%
17	Argentina	3	0.3%
18	Iraq	3	0.3%
19	Ireland	3	0.3%
20	Jordan	3	0.3%
21	Pakistan	3	0.3%
22	Portugal	2	0.2%
23	Moldova, Republic of	2	0.2%
24	South Africa	2	0.2%
25	Switzerland	2	0.2%
26	Cyprus	2	0.2%
27	Finland	1	0.1%
28	Bangladesh	1	0.1%
29	Bulgaria	1	0.1%
30	Kenya	1	0.1%
31	Lebanon	1	0.1%
32	Ukraine	1	0.1%
33	Norway	1	0.1%
34	Qatar	1	0.1%
35	Romania	1	0.1%
36	Philippines	1	0.1%