Rank	Countries/Territories	Count	Percent
1	United States	406	38.8%
2	China	262	25%
3	Germany	78	7.4%
4	India	50	4.8%
5	Singapore	45	4.3%
6	Japan	29	2.8%
7	United Kingdom	17	1.6%
8	Turkey	15	1.4%
9	France	13	1.2%
10	Netherlands	11	1.1%
11	Taiwan	10	1%
12	Iran, Islamic Republic of	8	0.8%
13	Hong Kong	8	0.8%
14	Canada	7	0.7%
15	Romania	7	0.7%
16	Korea, Republic of	6	0.6%
17	Nigeria	6	0.6%
18	Ireland	6	0.6%
19	Cyprus	5	0.5%
20	New Zealand	5	0.5%
21	Thailand	5	0.5%
22	Viet Nam	4	0.4%
23	Australia	4	0.4%
24	Italy	4	0.4%
25	Indonesia	4	0.4%
26	Israel	3	0.3%
27	Belgium	3	0.3%
28	Ethiopia	3	0.3%
29	Mexico	3	0.3%
30	Yemen	3	0.3%
31	Spain	2	0.2%
32	Saudi Arabia	2	0.2%
33	Pakistan	2	0.2%
34	Palestine, State of	2	0.2%
35	Egypt	2	0.2%
36	Iraq	1	0.1%
37	Norway	1	0.1%
38	Lithuania	1	0.1%
39	Russia	1	0.1%
40	Tanzania, United Republic of	1	0.1%
41	South Africa	1	0.1%
42	Tunisia	1	0.1%