Year	SPI (scale 0-100)
2005	56.09375
2006	58.11875
2007	60.2
2008	59.99375
2009	61.00625
2010	61.2875
2011	61.775
2012	63.20625
2013	63.425
2014	63.25
2015	67.60625
2016	71.64375
2017	79.14375
2018	76.60625
2019	75.61875
2020	79.13125
2021	82.9625
2022	82.9625