Year	SPI (scale 0-100)
2005	54.94375
2006	59.4375
2007	62.625
2008	63.18125
2009	60.45
2010	57.06875
2011	54.4125
2012	51.41875
2013	50.38125
2014	37.41875
2015	37.8875
2016	37.525
2017	38.15625
2018	35.76875
2019	38.09375
2020	43.4875
2021	54.96875
2022	54.96875