Year SPI (scale 0-100) 2004 40 2005 40 2006 30 2007 30 2008 40 2009 40 2010 60 2011 60 2012 60 2013 60 2014 60 2015 70 2016 90 2017 60 2018 80 2019 80 2020 90 2021 90 2022 90