Year	SPI (scale 0-100)
2005	45.0125
2006	45.80625
2007	47.8875
2008	50.95
2009	50.20625
2010	46.65625
2011	47.91875
2012	49.16875
2013	49.7375
2014	49.3125
2015	53.56875
2016	54.80625
2017	70.43125
2018	68.75
2019	68.30625
2020	72.15
2021	78.6375
2022	78.6375