Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Season | Age | Overall | Slalom | Giant\nSlalom | Super G | Downhill | Combined |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1967 | 16 | 27 | 19 | — | not\nrun | — | not\nawarded |
| 1968 | 17 | 12 | 11 | 8 | not\nrun | — | not\nawarded |
| 1969 | 18 | 7 | 4 | 11 | not\nrun | 5 | not\nawarded |
| 1970 | 19 | 11 | 8 | 10 | not\nrun | 12 | not\nawarded |
| 1971 | 20 | 14 | 13 | 9 | not\nrun | 15 | not\nawarded |
| 1972 | 21 | 6 | 4 | 7 | not\nrun | 10 | not\nawarded |
| 1973 | 22 | 4 | 2 | 8 | not\nrun | 9 | not\nawarded |
| 1974 | 23 | 7 | 2 | 13 | not\nrun | 11 | not\nawarded |
| 1975 | 24 | 3 | 7 | 7 | not\nrun | 6 | not\nawarded |
| 1976 | 25 | 1 | 1 | 3 | not\nrun | 9 | 1 |
Question:
what is the average in the ages
Answer:
20.5