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:
| Station Name | 2002–03 | 2004–05 | 2005–06 | 2006–07 | 2007–08 | 2008–09 | 2009–10 | 2010–11 | 2011–12 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Devonport | 18795.0 | 16202.0 | 18573.0 | 19655.0 | 17450.0 | 21652.0 | 21674.0 | 27006.0 | 27756.0 |
| Dockyard | 4070.0 | 5088.0 | 4895.0 | 5335.0 | 4924.0 | 5280.0 | 5524.0 | 5406.0 | 7716.0 |
| Keyham | 8957.0 | 6374.0 | 7594.0 | 7976.0 | 5050.0 | 5648.0 | 5016.0 | 6330.0 | 7708.0 |
| St Budeaux Victoria Road | 5451.0 | 5818.0 | 6146.0 | 5264.0 | 5193.0 | 5678.0 | 7026.0 | 6942.0 | 7780.0 |
| Bere Ferrers | 17808.0 | 12862.0 | 11459.0 | 10824.0 | 10824.0 | 11580.0 | 12606.0 | 14374.0 | 15020.0 |
| Bere Alston | 37944.0 | 29552.0 | 27263.0 | 26866.0 | 28936.0 | 32454.0 | 36272.0 | 41666.0 | 44792.0 |
| Calstock | 25739.0 | 24024.0 | 21123.0 | 23476.0 | 26825.0 | 31168.0 | 33368.0 | 33198.0 | 32456.0 |
| Gunnislake | 39009.0 | 37190.0 | 43885.0 | 43676.0 | 48747.0 | 49070.0 | 51424.0 | 50218.0 | 52116.0 |
Question:
How many stations in 2011-12 had volume of 11580 in 2008-09?
Answer:
1.0