Year	SPI (scale 0-100)
2005	60.61875
2006	60.31875
2007	61.71875
2008	61.4125
2009	62.30625
2010	61.19375
2011	61.7
2012	63.2125
2013	62.425
2014	62.85625
2015	68.26875
2016	69.19375
2017	74.50625
2018	76.475
2019	74.55
2020	79.4125
2021	88.6375
2022	88.6375