Year	SPI (scale 0-100)
2005	54.4875
2006	55.41875
2007	56.58125
2008	56.46875
2009	56.81875
2010	49.93125
2011	52.7625
2012	56.35625
2013	59.60625
2014	63.33125
2015	51.90625
2016	52.14375
2017	51.25625
2018	43.55
2019	37.90625
2020	47.725
2021	55.56875
2022	55.56875