Rank	Countries/Territories	Count	Percent
1	United States	328	24.2%
2	China	275	20.3%
3		202	14.9%
4	Germany	66	4.9%
5	Japan	55	4.1%
6	United Kingdom	48	3.5%
7	India	42	3.1%
8	Israel	41	3%
9	Netherlands	26	1.9%
10	Austria	25	1.8%
11	Brazil	24	1.8%
12	Greece	23	1.7%
13	Cuba	21	1.5%
14	Australia	20	1.5%
15	Korea, Republic of	17	1.3%
16	Canada	16	1.2%
17	France	11	0.8%
18	Russia	11	0.8%
19	Spain	9	0.7%
20	Ireland	6	0.4%
21	Italy	6	0.4%
22	Lebanon	6	0.4%
23	Belgium	6	0.4%
24	Argentina	6	0.4%
25	Cote D'ivoire	5	0.4%
26	Egypt	5	0.4%
27	Colombia	4	0.3%
28	Hong Kong	4	0.3%
29	Singapore	4	0.3%
30	Taiwan	4	0.3%
31	Ukraine	3	0.2%
32	Switzerland	3	0.2%
33	Poland	3	0.2%
34	Congo, The Democratic Republic of The	3	0.2%
35	Bangladesh	3	0.2%
36	Bulgaria	3	0.2%
37	Cyprus	2	0.1%
38	Portugal	2	0.1%
39	Norway	2	0.1%
40	Pakistan	2	0.1%
41	Mexico	2	0.1%
42	Iran, Islamic Republic of	2	0.1%
43	United Arab Emirates	2	0.1%
44	Thailand	1	0.1%
45	Turkey	1	0.1%
46	Viet Nam	1	0.1%
47	Mongolia	1	0.1%
48	Kuwait	1	0.1%
49	Denmark	1	0.1%
50	Finland	1	0.1%