The test scores of students are plotted in the given stem-and-leaf plot. How many students have scored test scores greater than 85?
Test scores of students
\begin{tabular}{r|lll}
\hline Stem & \multicolumn{3}{|c}{ Leaf } \\
\hline 6 & 5 & 6 & 7 \\
7 & 2 & 8 & 9 \\
8 & 5 & \\
9 & 1 & 2 & 7 \\
& & & Key:6|5 \( =65 \)
\end{tabular}