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