Year SPI (scale 0-100) 2004 30 2005 30 2006 30 2007 30 2008 30 2009 30 2010 30 2011 30 2012 50 2013 40 2014 30 2015 60 2016 90 2017 90 2018 90 2019 90 2020 90 2021 80 2022 80