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:
| Rank | Player | From | To | Transfer fee\n(€ million) | Year |
| --- | --- | --- | --- | --- | --- |
| 1 | Miralem Sulejmani | Heerenveen | Ajax | 16.25 | 2008 |
| 2 | Strootman & Mertens | Utrecht | PSV | 13 | 2011 |
| 3 | Mateja Kežman | Partizan | PSV | 11.3 | 2000 |
| 4 | Klaas-Jan Huntelaar | Heerenveen | Ajax | 9 | 2006 |
| 5 | Nikos Machlas | Vitesse | Ajax | 8.6 | 1999 |
| 6 | Zlatan Ibrahimović | Malmö FF | Ajax | 8.4 | 2001 |
| 7 | Jan Vennegoor of Hesselink | Twente | PSV | 8.2 | 2001 |
| 8 | Luis Suárez | Groningen | Ajax | 7.5 | 2007 |
| 9 | Darío Cvitanich | Banfield | Ajax | 7.5 | 2008 |
| 10 | Ferdi Vierklau | Tenerife | Ajax | 7.3 | 1998 |
| 11 | Adam Maher | AZ | PSV | 6.5 | 2013 |
Question:
what is the difference between rank 5 and rank 11 transfer fee
Answer:
2.1