Boxplot of PLD excluded of the yolk sac larval phase predicted for Belgium (BE), the Netherlands (NL) and the United Kingdom (UK) for the period 1995 to 2015.
Triangles highlight the mean values predicted for the years of 2013 (▲) and 2014 (△) in Belgium, 2014 in the Netherlands (△) and 2015 in the UK (△). The observed values are indicated as a square (□) for the year of 2013 in Belgium and asterisks (*) for the year of 2014 in Belgium, 2014 in the Netherlands and 2015 in the UK.