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