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:
| Class | Ship Name | Origin | Hull Numbers | Service years | Previously | Note |
| --- | --- | --- | --- | --- | --- | --- |
| Ahmad Yani Class (FFGHM) | KRI Ahmad Yani | Netherlands | 351.0 | 1986–Present | RNN HNLMS Tjerk Hiddes(F804) | Reportedly still active as of 2009 |
| Ahmad Yani Class (FFGHM) | KRI Slamet Riyadi | Netherlands | 352.0 | 1986–Present | RNN HNLMS Van Speijk(F802) | Reportedly still active as of 2009 |
| Ahmad Yani Class (FFGHM) | KRI Yos Sudarso | Netherlands | 353.0 | 1987–Present | RNN HNLMS Van Galen (F803) | Reportedly still active as of 2009 |
| Ahmad Yani Class (FFGHM) | KRI Oswald Siahaan | Netherlands | 354.0 | 1987–Present | RNN HNLMS Van Nes (F805) | Reportedly still active as of 2012 |
| Ahmad Yani Class (FFGHM) | KRI Halim Perdanakususma | Netherlands | 355.0 | 1989–Present | RNN HNLMS Evertsen (F815) | Reportedly still active as of 2009 |
Question:
what is the maximum number of hull numbers?
Answer:
355.0