我做出的ADF检验没有1%，5%，10%水平的检验结果是怎么回事？
Null Hypothesis: Unit root (individual unit root process)     
Series: ____, ____01, ____02, ____03, ____04, ____05, ____06,   
        ____07, ____08, ____09, ____10, ____11, ____12, ____13, ____14,   
        ____15, ___A   
Date: 07/23/12   Time: 15:49   
Sample: 1 729   
Exogenous variables: Individual effects   
Automatic selection of maximum lags   
Automatic lag length selection based on AIC: 0 to 16   
Total number of observations: 12305   
Cross-sections included: 17   
   
Method   Statistic Prob.**
ADF - Fisher Chi-square    2108.48  0.0000
ADF - Choi Z-stat   -43.2662  0.0000
   
** Probabilities for Fisher tests are computed using an asymptotic Chi   
        -square distribution. All other tests assume asymptotic normality.   
   
Intermediate ADF test results UNTITLED   
   
   
Series Prob. Lag   Max Lag Obs
____  0.0000  4  19  724
____01  0.0000  0  19  728
____02  0.0000  0  19  728
____03  0.0000  10  19  718
____04  0.0000  16  19  712
____05  0.0000  0  19  728
____06  0.0000  0  19  728
____07  0.0000  0  19  728
____08  0.0000  0  19  728
____09  0.0000  0  19  728
____10  0.0000  0  19  728
____11  0.0000  7  19  721
____12  0.0000  4  19  724
____13  0.0000  13  19  715
____14  0.0000  15  19  713
____15  0.0000  2  19  726
___A  0.0000  0  19  728