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 | Tier | Division | Place |
| --- | --- | --- | --- |
| 1991–98 | 5 | Regional | — |
| 1998/99 | 4 | 3ª | 8th |
| 1999/00 | 4 | 3ª | 5th |
| 2000/01 | 4 | 3ª | 7th |
| 2001/02 | 4 | 3ª | 9th |
| 2002/03 | 4 | 3ª | 9th |
| 2003/04 | 4 | 3ª | 2nd |
| 2004/05 | 4 | 3ª | 8th |
| 2005/06 | 4 | 3ª | 6th |
Question:
what is the difference between the team ranking of the 1998-99 season and the 2003-04 season?
Answer:
6