Year SPI (scale 0-100) 2004 40 2005 40 2006 40 2007 40 2008 40 2009 40 2010 50 2011 50 2012 50 2013 50 2014 50 2015 70 2016 83.4 2017 83.4 2018 83.4 2019 83.4 2020 83.4 2021 83.4 2022 83.4