Year	SPI (scale 0-100)
2005	37.34375
2006	46.1375
2007	50.4125
2008	50.275
2009	57.50625
2010	56.1875
2011	57.0875
2012	54.9625
2013	60.05
2014	55.88125
2015	50.89375
2016	51.6
2017	51.6875
2018	46.4125
2019	45.725
2020	57.15625
2021	72.225
2022	72.225