How do I convert simple table (12 rows / 2 coloums) to a function

I have the following table: 0 0 9 0 18 0,87 27 1,51 36 2,21 45 2,9 54 3,86 64 6,38 73 8,54 81 11,49 90 13,4 100 13,62 and I need a function which ...