Rank	Countries/Territories	Count	Percent
1	United States	463	35.7%
2	China	270	20.8%
3	India	132	10.2%
4	Germany	53	4.1%
5	Egypt	41	3.2%
6		30	2.3%
7	Turkey	27	2.1%
8	Greece	25	1.9%
9	Korea, Republic of	23	1.8%
10	Japan	22	1.7%
11	Denmark	16	1.2%
12	Sweden	14	1.1%
13	Russia	14	1.1%
14	Taiwan	13	1%
15	United Kingdom	13	1%
16	Spain	12	0.9%
17	Brazil	12	0.9%
18	Canada	11	0.8%
19	Israel	9	0.7%
20	Iran, Islamic Republic of	9	0.7%
21	Netherlands	8	0.6%
22	Australia	8	0.6%
23	Pakistan	7	0.5%
24	Hong Kong	6	0.5%
25	Ireland	5	0.4%
26	Romania	5	0.4%
27	Ukraine	5	0.4%
28	Italy	4	0.3%
29	Norway	4	0.3%
30	Morocco	3	0.2%
31	France	3	0.2%
32	Portugal	3	0.2%
33	Poland	2	0.2%
34	South Africa	2	0.2%
35	Switzerland	2	0.2%
36	Mexico	2	0.2%
37	Finland	2	0.2%
38	Austria	2	0.2%
39	Colombia	2	0.2%
40	Cyprus	2	0.2%
41	Chile	1	0.1%
42	Bangladesh	1	0.1%
43	Argentina	1	0.1%
44	Ecuador	1	0.1%
45	Hungary	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Luxembourg	1	0.1%
48	Nigeria	1	0.1%
49	Indonesia	1	0.1%
50	Thailand	1	0.1%
51	Singapore	1	0.1%