Table 1.

Descriptive statistics.

Variable	Observation	Mean	Standard Deviation	Min	Max
lnce	78	9.7459	1.3022	7.5494	11.8146
li	78	0.1186	0.1236	0.0257	0.5327
fi	78	2.4684	2.8038	0.0974	13.1898
mc	78	0.5312	0.2904	0.0932	1.5009
rd	78	1.8772	1.2562	0.2	4.3452
ci	78	7.7374	4.8825	1.0603	20.9892
cp	78	0.3275	0.2183	0.0912	0.8284
is	78	2.0980	0.7720	0.673	3.651