Year SPI (scale 0-100) 2004 30 2005 30 2006 30 2007 30 2008 20 2009 20 2010 20 2011 20 2012 20 2013 30 2014 30 2015 50 2016 70 2017 80 2018 80 2019 80 2020 80 2021 80 2022 80