Year	SPI (scale 0-100)
2005	54.38125
2006	56.21875
2007	59.7375
2008	60.7625
2009	62.03125
2010	59.825
2011	63.2375
2012	64.28125
2013	63.275
2014	68.03125
2015	66.79375
2016	67.5125
2017	74.11875
2018	72.54375
2019	68.43125
2020	81.29375
2021	86.0875
2022	86.0875