"Figure 22: Between 2010 and 2019, there has been a decline in the average number of queen bees counted","" "Average number of queen bees per kilometre and annual variation of this average (standard deviation) counted on BeeWalk surveys for semi-natural habitats, Great Britain, 2010 to 2019","" "","" "Notes","" "Unit","Number of queen bees per walked km" "","" "","Queen bees","Queen mean plus standard deviation","Queen mean minus standard deviation" "2010","3.6","20.8","-13.7" "2011","1.7","4.7","-1.4" "2012","3.9","12.1","-4.4" "2013","1.8","4.9","-1.3" "2014","3.1","9.4","-3.1" "2015","3.0","9.6","-3.6" "2016","2.9","9.1","-3.3" "2017","2.9","10.3","-4.4" "2018","3.0","8.9","-2.9" "2019","2.5","8.5","-3.4"