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:
| Year | Round | GP | W | D | L | GF | GA |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1963 | Did not enter | Did not enter | Did not enter | Did not enter | Did not enter | Did not enter | Did not enter |
| 1964 | Champions | 4 | 3 | 1 | 0 | 6 | 2 |
| 1966 | Champions | 6 | 5 | 1 | 0 | 20 | 5 |
| 1985 | Champions | 4 | 3 | 1 | 0 | 7 | 3 |
| 1988 | Champions | 6 | 2 | 4 | 0 | 7 | 2 |
| 1992 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 |
| 1998 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 |
| 2002 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 | Banned1 |
| 2012 | Third place | 5 | 3 | 1 | 1 | 6 | 4 |
| Total | Best: Champions | 25 | 16 | 8 | 1 | 46 | 16 |
Question:
what was the largest gf in team history in the arab nations cup?
Answer:
20