Year	SPI (scale 0-100)
2005	73.99375
2006	74.59375
2007	76.21875
2008	75.86875
2009	78.975
2010	75.35625
2011	77.3125
2012	79.74375
2013	79.18125
2014	77.2875
2015	73.54375
2016	74.84375
2017	76.175
2018	76.575
2019	73.09375
2020	74.1125
2021	80.15625
2022	80.15625