"2011","7"
"2012","27.5"
"2013","13.5"
"2014","11"
"2015","9.5"
"2016","4"
"2017","6"
"2018","7"
"2019","3"
"2020","9"
"2021","16.5"
"2022","11"
"2023","8"
"2024","4"