Year	SPI (scale 0-100)
2005	34.56875
2006	34.8125
2007	36.40625
2008	36.3375
2009	37.5875
2010	33.88125
2011	34.88125
2012	38.86875
2013	39.39375
2014	38.5875
2015	48.15
2016	48.38125
2017	47.775
2018	47.40625
2019	47.325
2020	56.53125
2021	67.38125
2022	67.38125