Year	Average	10th percentile	90th percentile	Target value
2006	18.206228	11.247	29.736	25
2007	16.310029	9.943	25.382	25
2008	17.765542	10.403	25.052	25
2009	17.217362	11.33	24.149	25
2010	18.173808	10.788	27.873	25
2011	19.031283	11.843	29.21	25
2012	17.109276	10.86	26.924	25