Rank	Countries/Territories	Count	Percent
1	United States	343	45.6%
2	China	152	20.2%
3	Germany	37	4.9%
4	United Kingdom	23	3.1%
5	Egypt	22	2.9%
6	India	22	2.9%
7	Japan	19	2.5%
8	Australia	16	2.1%
9	Ireland	15	2%
10	Brazil	10	1.3%
11	Italy	10	1.3%
12	Korea, Republic of	9	1.2%
13	Canada	9	1.2%
14	Ukraine	7	0.9%
15	Taiwan	6	0.8%
16	Hong Kong	6	0.8%
17	Argentina	4	0.5%
18	France	4	0.5%
19	Russia	4	0.5%
20	Spain	4	0.5%
21	Netherlands	3	0.4%
22	Luxembourg	3	0.4%
23	Viet Nam	3	0.4%
24	Mexico	2	0.3%
25	Poland	2	0.3%
26	Denmark	2	0.3%
27	Israel	2	0.3%
28	Iran, Islamic Republic of	2	0.3%
29	Ethiopia	1	0.1%
30	Czech Republic	1	0.1%
31	Chile	1	0.1%
32	Portugal	1	0.1%
33	Romania	1	0.1%
34	Sweden	1	0.1%
35	Senegal	1	0.1%
36	South Africa	1	0.1%
37	Morocco	1	0.1%
38	Lebanon	1	0.1%
39	Kazakhstan	1	0.1%
40	Turkey	1	0.1%