Null Hypothesis: LNFI has a unit root   
Exogenous: Constant, Linear Trend   
Lag Length: 0 (Automatic based on SIC, MAXLAG=0)   
   
   t-Statistic   Prob.*
   
Augmented Dickey-Fuller test statistic   -2.019265  0.5545
Test critical values: 1% level  -4.532598
5% level  -3.673616
10% level  -3.277364
   
*MacKinnon (1996) one-sided p-values.   
Warning: Probabilities and critical values calculated for 20   
        observations and may not be accurate for a sample size of 19   
   
   
Augmented Dickey-Fuller Test Equation   
Dependent Variable: D(LNFI)   
Method: Least Squares   
Date: 02/24/11   Time: 18:35   
Sample (adjusted): 1991 2009   
Included observations: 19 after adjustments   
   
Variable Coefficient Std. Error t-Statistic Prob.  
   
LNFI(-1) -0.348051 0.172365 -2.019265 0.0605
C 0.373397 0.128311 2.910092 0.0102
@TREND(1990) 0.035887 0.021826 1.644240 0.1196
   
R-squared 0.220410     Mean dependent var  0.135229
Adjusted R-squared 0.122961     S.D. dependent var  0.199988
S.E. of regression 0.187290     Akaike info criterion  -0.368379
Sum squared resid 0.561240     Schwarz criterion  -0.219257
Log likelihood 6.499602     F-statistic  2.261803
Durbin-Watson stat 1.558091     Prob(F-statistic)  0.136437