Year	SPI (scale 0-100)
2005	49.1125
2006	53.36875
2007	55.1125
2008	54.90625
2009	56.425
2010	56.35625
2011	55.13125
2012	58.5125
2013	58.44375
2014	57.2875
2015	74.01875
2016	76.71875
2017	77.06875
2018	77.45
2019	76.2375
2020	82.7625
2021	91.4625
2022	91.4625