Year SPI (scale 0-100) 2005 63.24375 2006 68.1375 2007 68.475 2008 68.26875 2009 68.5375 2010 66.45 2011 63.50625 2012 67.0625 2013 64.425 2014 65.70625 2015 62.18125 2016 62.9875 2017 60.23125 2018 63.95 2019 64.8625 2020 69.63125 2021 82.75 2022 82.75