Year	SPI (scale 0-100)
2005	64.95
2006	69.3125
2007	70.0875
2008	70.4375
2009	71.125
2010	69.1625
2011	67.2125
2012	66.175
2013	67.40625
2014	66.48125
2015	75.575
2016	77.125
2017	79.15
2018	76.9125
2019	73.93125
2020	76.15
2021	85.8625
2022	85.8625