Rank	Countries/Territories	Count	Percent
1	United States	458	38.8%
2	China	306	26%
3	Germany	80	6.8%
4	Singapore	55	4.7%
5	India	54	4.6%
6	Japan	29	2.5%
7	United Kingdom	23	2%
8	Turkey	15	1.3%
9	France	14	1.2%
10	Netherlands	12	1%
11	Taiwan	10	0.8%
12	Iran, Islamic Republic of	9	0.8%
13	Ireland	9	0.8%
14	Hong Kong	8	0.7%
15	Canada	7	0.6%
16	Korea, Republic of	7	0.6%
17	Romania	7	0.6%
18	Nigeria	6	0.5%
19	Cyprus	6	0.5%
20	New Zealand	5	0.4%
21	Thailand	5	0.4%
22	Viet Nam	5	0.4%
23	Italy	4	0.3%
24	Saudi Arabia	4	0.3%
25	Australia	4	0.3%
26	Indonesia	4	0.3%
27	Israel	3	0.3%
28	Belgium	3	0.3%
29	Ethiopia	3	0.3%
30	Mexico	3	0.3%
31	Yemen	3	0.3%
32	Spain	2	0.2%
33	Pakistan	2	0.2%
34	Palestine, State of	2	0.2%
35	Egypt	2	0.2%
36	Algeria	2	0.2%
37	Argentina	1	0.1%
38	Iraq	1	0.1%
39	Russia	1	0.1%
40	South Africa	1	0.1%
41	Lithuania	1	0.1%
42	Norway	1	0.1%
43	Tunisia	1	0.1%
44	Tanzania, United Republic of	1	0.1%