Year	SPI (scale 0-100)
2005	34.5375
2006	36.30625
2007	39.175
2008	39.0375
2009	39.0375
2010	36.04375
2011	34.6125
2012	32.7
2013	31.89375
2014	33.66875
2015	35.6875
2016	36.95
2017	37.9875
2018	37.2875
2019	35.6125
2020	42.90625
2021	53.58125
2022	53.58125