Year	Average	10th percentile	90th percentile	Limit value
2000	48.0	31.5	71.8	50.0
2001	42.8	29.1	68.3	50.0
2002	44.5	30.5	79.7	50.0
2003	49.6	36.0	87.6	50.0
2004	43.3	29.2	76.2	50.0
2005	45.9	30.5	78.5	50.0
2006	50.2	33.2	85.0	50.0
2007	48.2	31.7	76.8	50.0
2008	44.0	27.9	73.0	50.0
2009	45.8	29.0	74.3	50.0
2010	46.3	28.8	79.4	50.0
2011	49.6	32.0	78.9	50.0
2012	45.3	28.8	73.4	50.0
2013	41.9	27.5	61.9	50.0
2014	40.2	26.3	62.0	50.0
2015	40.5	26.9	64.8	50.0