Rank	Countries/Territories	Count	Percent
1	United States	342	37.3%
2	China	137	14.9%
3	Singapore	58	6.3%
4	Germany	39	4.3%
5	India	37	4%
6	Russia	36	3.9%
7	Japan	36	3.9%
8	United Kingdom	23	2.5%
9	Korea, Republic of	21	2.3%
10	Netherlands	20	2.2%
11	Mexico	18	2%
12	Ireland	14	1.5%
13	Turkey	10	1.1%
14	Canada	9	1%
15	Chile	9	1%
16	France	8	0.9%
17	Malaysia	8	0.9%
18	Spain	8	0.9%
19	Australia	7	0.8%
20	Malawi	6	0.7%
21	Philippines	6	0.7%
22	Senegal	6	0.7%
23	New Zealand	5	0.5%
24	Taiwan	4	0.4%
25	Romania	4	0.4%
26	Ukraine	3	0.3%
27	United Arab Emirates	3	0.3%
28	Portugal	3	0.3%
29	Israel	3	0.3%
30	Italy	3	0.3%
31	Belgium	3	0.3%
32	Ecuador	3	0.3%
33	Cyprus	2	0.2%
34	Denmark	2	0.2%
35	Indonesia	2	0.2%
36	Hong Kong	2	0.2%
37	Brazil	2	0.2%
38	Albania	2	0.2%
39	Argentina	2	0.2%
40	Norway	2	0.2%
41	Viet Nam	2	0.2%
42	Tunisia	1	0.1%
43	Uzbekistan	1	0.1%
44	Slovakia	1	0.1%
45	Moldova, Republic of	1	0.1%
46	Colombia	1	0.1%
47	Iraq	1	0.1%
48	Egypt	1	0.1%