A spinner labelled as \(A\), \(B\), \(C\) and \(D\) was spun 20 times.
 
Letter \(A\) \(B\) \(C\) \(D\)
Number of times 2 10 2 6
 
The experimental probability of landing on the letter \(A\) is \(\%\)
 
(Note: Round off the answer to \(2\) decimal places if necessary.)