Variable	Level				First difference				Results
Variable	CIPS₁	CIPS₂	CIPS₃	Valeur critique	CIPS₁	CIPS₂	CIPS₃	critical value	Results
LOGINS	−2.101	−2.267	−1.409	−2.6	−4.331	−4.639	−4.859	−2.6	Stationary in first diff