Year SPI (scale 0-100) 2005 54.58125 2006 56.38125 2007 57.46875 2008 62.4125 2009 62.01875 2010 60.38125 2011 62.9875 2012 62.9875 2013 58.94375 2014 61.8 2015 64.25625 2016 63.29375 2017 69.4875 2018 69.23125 2019 67.39375 2020 66.975 2021 76.51875 2022 76.51875