Year	SPI (scale 0-100)
2005	67.61875
2006	68.71875
2007	70.20625
2008	72.15
2009	73.7625
2010	71.21875
2011	71.1125
2012	73.825
2013	70.94375
2014	75.86875
2015	72.75625
2016	74.68125
2017	75.8125
2018	75.675
2019	69.15
2020	68.21875
2021	78.2875
2022	78.2875