afdNull Hypothesis: CORRELOGRAM has a unit rootExogenous: ConstantLag Length: 0 (Automatic based on SIC, MAXLAG=4)t-StatisticProb.*Augmented Dickey-Fuller test statistic-2.4277020.1461Test critical values:1% level-3.7695975% level-3.00486110% level-2.642242*MacKinnon (1996) one-sided p-values.Augmented Dickey-Fuller Test EquationDependent Variable: D(CORRELOGRAM)Method: Least SquaresDate: 02/22/15 Time: 11:10Sample (adjusted): 1992 2013Included observations: 22 after adjustmentsVariableCoefficientStd. Errort-StatisticProb.CORRELOGRAM(-1)-0.3700780.15244-2.4277020.0248C2.9151361.2071472.4148970.0254R-squared0.227613Mean dependent var0.122727Adjusted R-squared0.188993S.D. dependent var1.907861S.E. of regression1.718142Akaike info criterion4.006872Sum squared resid59.04025Schwarz criterion4.106058Log likelihood-42.07559Hannan-Quinn criter.4.030237F-statistic5.893739Durbin-Watson stat0.969084Prob(F-statistic)0.024759