Rank	Countries/Territories	Count	Percent
1	United States	305	39.1%
2	China	217	27.8%
3	Germany	57	7.3%
4	India	46	5.9%
5	Japan	37	4.7%
6	Netherlands	14	1.8%
7	France	9	1.2%
8	Turkey	9	1.2%
9	Romania	8	1%
10	Singapore	6	0.8%
11	Canada	6	0.8%
12	Australia	5	0.6%
13	United Kingdom	5	0.6%
14	Korea, Republic of	5	0.6%
15	Nepal	4	0.5%
16	Cyprus	4	0.5%
17	Ireland	4	0.5%
18	Israel	4	0.5%
19	Hong Kong	4	0.5%
20	Argentina	3	0.4%
21	Russia	3	0.4%
22	Pakistan	3	0.4%
23	Thailand	3	0.4%
24	South Africa	3	0.4%
25	Peru	2	0.3%
26	Egypt	2	0.3%
27	Indonesia	2	0.3%
28	Iran, Islamic Republic of	1	0.1%
29	Italy	1	0.1%
30	Jordan	1	0.1%
31	Estonia	1	0.1%
32	Bangladesh	1	0.1%
33	Belgium	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Sweden	1	0.1%
37	Ukraine	1	0.1%
38	Viet Nam	1	0.1%