Date,PctPass
2011 Feb,84.5
2011 Jul,90.6
2012 Feb,82.5
2012 Jul,90.4
2013 Feb,82.2
2013 Jul,88.6
2014 Feb,80.5
2014 Jul,85.4
2015 Feb,77.7
2015 Jul,84
2016 Feb,74.3
2016 Jul,79.4
2017 Feb,65.7
2017 Jul,84.7
2018 Feb,63.4
2018 Jul,75.7
2019 Feb,62.4
2019 Jul,78
2020 Feb,49.8
2020 Jul,84.2
2021 Feb,60.3
2021 Jul,75.5
2022 Feb,58.1
2022 Jul,71.5
2023 Feb,47.1
2023 Jul,80.8
2024 Feb,49.5
2024 Jul,79.8