Year % 2010 9.87144834537989 2011 6.65846385941459 2012 5.91142203322365 2013 6.33417716368371 2014 5.53636414299379 2015 4.51107270930726 2016 4.66390125163836 2017 7.69331174410151 2018 6.90420477939379 2019 9.88447227836733 2020 9.81048327171666 2021 10.1563892019535 2022 9.05785019095386