- 2003:
- €21,678
- 2004:
- €34,962
- 2005:
- €23,142
- 2006:
- €37,711
- 2007:
- €47,006
- 2008:
- €28,136
- 2009:
- €35,129
- 2010:
- €27,190
- 2011:
- €40,100
- 2012:
- €11,700
- 2013:
- €14,500
- 2014:
- €11,440
- 2015:
- €10,480
- 2016:
- €6,360
- 2017:
- €10,500
- 2019:
- €10,000
- 2022:
- €12,000
- 2023:
- €14,000