Year SPI (scale 0-100) 2004 40 2005 30 2006 30 2007 30 2008 30 2009 30 2010 30 2011 30 2012 30 2013 50 2014 50 2015 80 2016 90 2017 90 2018 90 2019 90 2020 70 2021 90 2022 90