Rank	Countries/Territories	Count	Percent
1	United States	507	32%
2	Singapore	298	18.8%
3	China	264	16.6%
4	Germany	101	6.4%
5	India	99	6.2%
6	Russia	34	2.1%
7	Canada	30	1.9%
8	Australia	17	1.1%
9	Netherlands	17	1.1%
10	Korea, Republic of	16	1%
11	Italy	15	0.9%
12	Ethiopia	13	0.8%
13	Colombia	12	0.8%
14	Latvia	12	0.8%
15	Brazil	11	0.7%
16	Greece	11	0.7%
17	Ireland	10	0.6%
18	France	9	0.6%
19	United Kingdom	9	0.6%
20	Japan	8	0.5%
21	Pakistan	6	0.4%
22	Hong Kong	6	0.4%
23	Paraguay	4	0.3%
24	Iran, Islamic Republic of	4	0.3%
25	Kazakhstan	4	0.3%
26	Ukraine	4	0.3%
27	Sweden	4	0.3%
28	Slovenia	4	0.3%
29	Saudi Arabia	4	0.3%
30	Romania	4	0.3%
31	Mexico	4	0.3%
32	Philippines	3	0.2%
33	Nepal	3	0.2%
34	South Africa	3	0.2%
35	Malaysia	3	0.2%
36	Israel	3	0.2%
37	Dominican Republic	3	0.2%
38	Argentina	3	0.2%
39	Bahrain	2	0.1%
40	Hungary	2	0.1%
41	Cyprus	2	0.1%
42	Spain	2	0.1%
43	Switzerland	2	0.1%
44	Portugal	2	0.1%
45	Viet Nam	2	0.1%
46	Mongolia	1	0.1%
47	Thailand	1	0.1%
48	Finland	1	0.1%
49	Bangladesh	1	0.1%
50	Belarus	1	0.1%
51	Belgium	1	0.1%
52	Costa Rica	1	0.1%
53	Indonesia	1	0.1%
54	Jordan	1	0.1%
55	Peru	1	0.1%