Year	SPI (scale 0-100)
2005	56.71875
2006	58.86875
2007	63.0375
2008	63.4625
2009	64.89375
2010	62.04375
2011	62.11875
2012	63.68125
2013	64.5375
2014	64.83125
2015	63.33125
2016	56.1875
2017	56.95625
2018	54.50625
2019	55.76875
2020	58.34375
2021	67.225
2022	67.225