0.995	0.99	0.975	0.95	0.9	0.75	0.5	0.25	0.1	0.05	0.025	0.01	0.005
-2.57583	-2.32635	-1.95996	-1.64485	-1.28155	-0.67449	0.00000	0.67449	1.28155	1.64485	1.95996	2.32635	2.57583
