Duke Admission Percentage

Can anyone here provide me the average percentage of admissions taken by Duke University every year?

Duke is one of the most prestigious and competitive universities.

As per my knowledge and the information gathered form some site I have concluded:

Admission Overview
Applicants 22,280
Admitted 4,203
Acceptance rate 18.9%
Yield rate 41.0%

Duke University's average SAT scores fall between:
Verbal: 660 and 750
Math: 680 and 780
Writing: 660 and 760

Admitted Members' Score Range
25th 50th 75th Percentile
GPA 3.83 3.97 4.00
SAT I 2190 2265 2340
Selectivity Index™ 843 918 967

Rejected Members' Score Range
25th 50th 75th Percentile
GPA 3.53 3.80 3.95
SAT I 1890 2130 2241
Selectivity Index™ 654 809 901

The information given above is as per the data collected till Monday 20th of August 2012.

For further information and recent updates you can contact at:

Contact:
Duke University
450 Research Dr
]Durham, NC
United States ‎
+1 919-684-8111 ‎

Map: