Year	SPI (scale 0-100)
2005	44.38125
2006	43.3875
2007	44.34375
2008	44.69375
2009	45.3875
2010	46.56875
2011	47.00625
2012	48.24375
2013	46.93125
2014	50.15
2015	57.76875
2016	60.925
2017	69.05
2018	69.7
2019	69.0375
2020	67.39375
2021	88.24375
2022	88.24375