Year	SPI (scale 0-100)
2005	62.7
2006	67.2125
2007	67.69375
2008	67.55625
2009	69.13125
2010	66.6
2011	67.55
2012	67.40625
2013	68.36875
2014	67.75625
2015	62.8875
2016	62.25
2017	62.80625
2018	67.3625
2019	68.15625
2020	76.98125
2021	85.91875
2022	85.91875