Year	SPI (scale 0-100)
2005	39.49375
2006	39.59375
2007	41.0125
2008	41.98125
2009	42.68125
2010	43.28125
2011	44.3
2012	47.01875
2013	46.59375
2014	47.025
2015	48.60625
2016	54.06875
2017	63.13125
2018	62.7875
2019	61.3875
2020	64.8375
2021	76.05625
2022	76.05625