Group	Y	X
Ca_Li	-2.4	-0.31
Ca_Li	6.3	0.17
Ca_Li	15.8	0.58
Ca_Li	20.5	0.81
Ca_Na	-7	-1.18
Ca_Na	2.1	-0.65
Ca_Na	17.8	0.1
Ca_Na	27.3	0.5
Ca_Na	32	0.67
Ca_K	-10.8	-1.79
Ca_K	-2.8	-1.21
Ca_K	14.2	-0.35
Ca_K	25.5	0.08
Ca_K	35.7	0.49
Ca_K	41.2	0.65
Sr_Na	-5.4	-1.83
Sr_Na	3	-1.25
Sr_Na	20.7	-0.41
Sr_Na	30.5	0.05
Sr_Na	39.9	0.43
Sr_Na	45	0.59