Rank	Countries/Territories	Count	Percent
1	United States	372	44.9%
2	China	168	20.3%
3	Germany	37	4.5%
4	Egypt	26	3.1%
5	India	25	3%
6	United Kingdom	23	2.8%
7	Australia	21	2.5%
8	Japan	20	2.4%
9	Russia	15	1.8%
10	Ireland	15	1.8%
11	Brazil	10	1.2%
12	Italy	10	1.2%
13	Korea, Republic of	9	1.1%
14	Canada	9	1.1%
15	Ukraine	7	0.8%
16	Taiwan	6	0.7%
17	Hong Kong	6	0.7%
18	Argentina	4	0.5%
19	France	4	0.5%
20	Spain	4	0.5%
21	Netherlands	4	0.5%
22	Luxembourg	3	0.4%
23	Iran, Islamic Republic of	3	0.4%
24	Viet Nam	3	0.4%
25	Israel	2	0.2%
26	Denmark	2	0.2%
27	Mexico	2	0.2%
28	Lebanon	2	0.2%
29	Poland	2	0.2%
30	Sweden	2	0.2%
31	Switzerland	1	0.1%
32	Senegal	1	0.1%
33	South Africa	1	0.1%
34	Portugal	1	0.1%
35	Romania	1	0.1%
36	Morocco	1	0.1%
37	Kazakhstan	1	0.1%
38	Cyprus	1	0.1%
39	Czech Republic	1	0.1%
40	Chile	1	0.1%
41	Ethiopia	1	0.1%
42	Turkey	1	0.1%