Rank	Countries/Territories	Count	Percent
1	United States	525	46.6%
2	China	207	18.4%
3	Germany	74	6.6%
4	Japan	34	3%
5	India	32	2.8%
6	United Kingdom	31	2.8%
7	Romania	19	1.7%
8	Singapore	17	1.5%
9	Italy	14	1.2%
10	Korea, Republic of	13	1.2%
11	Netherlands	13	1.2%
12	Canada	12	1.1%
13	Austria	11	1%
14	Brazil	10	0.9%
15	Iran, Islamic Republic of	10	0.9%
16	Cyprus	9	0.8%
17	Ireland	8	0.7%
18	South Africa	8	0.7%
19	Spain	8	0.7%
20	Poland	7	0.6%
21	France	7	0.6%
22	Trinidad and Tobago	7	0.6%
23	Turkey	6	0.5%
24	Mexico	5	0.4%
25	Finland	4	0.4%
26	Hong Kong	4	0.4%
27	Australia	3	0.3%
28	Belgium	3	0.3%
29	Taiwan	3	0.3%
30	Thailand	2	0.2%
31	Cabo Verde	2	0.2%
32	Israel	2	0.2%
33	Portugal	2	0.2%
34	Russia	2	0.2%
35	Sweden	2	0.2%
36	Switzerland	2	0.2%
37	Pakistan	1	0.1%
38	Bulgaria	1	0.1%
39	Bangladesh	1	0.1%
40	Hungary	1	0.1%
41	Greece	1	0.1%
42	Egypt	1	0.1%
43	Tunisia	1	0.1%
44	Ukraine	1	0.1%
45	Viet Nam	1	0.1%