Rank	Countries/Territories	Count	Percent
1	United States	282	32.8%
2	China	221	25.7%
3	Germany	110	12.8%
4	India	50	5.8%
5	Japan	17	2%
6	Netherlands	16	1.9%
7	Switzerland	13	1.5%
8	Philippines	12	1.4%
9	Russia	12	1.4%
10	France	10	1.2%
11	Iceland	9	1%
12	Canada	9	1%
13	Egypt	8	0.9%
14	Ethiopia	8	0.9%
15		8	0.9%
16	Iran, Islamic Republic of	7	0.8%
17	Korea, Republic of	6	0.7%
18	Singapore	5	0.6%
19	Thailand	5	0.6%
20	Viet Nam	5	0.6%
21	United Kingdom	4	0.5%
22	Turkey	4	0.5%
23	Colombia	4	0.5%
24	Hong Kong	4	0.5%
25	Cyprus	3	0.3%
26	Nicaragua	3	0.3%
27	Malaysia	3	0.3%
28	United Arab Emirates	3	0.3%
29	Mexico	2	0.2%
30	South Africa	2	0.2%
31	Ecuador	2	0.2%
32	Argentina	2	0.2%
33	Bangladesh	2	0.2%
34	Brazil	2	0.2%
35	Chile	2	0.2%
36	Romania	1	0.1%
37	Ukraine	1	0.1%
38	Panama	1	0.1%
39	Lebanon	1	0.1%
40	Indonesia	1	0.1%