ADF Test Statistic -3.385964     1%   Critical Value*  -4.3226
      5%   Critical Value  -3.5796
      10% Critical Value  -3.2239
    
*MacKinnon critical values for rejection of hypothesis of a unit root.    
    
    
Augmented Dickey-Fuller Test Equation    
Dependent Variable: D(R)    
Method: Least Squares    
Date: 04/29/09   Time: 13:08    
Sample(adjusted): 1980 2007    
Included observations: 28 after adjusting endpoints    
    
Variable Coefficient Std. Error t-Statistic Prob. 
    
R(-1) -0.077945 0.023020 -3.385964 0.0024
D(R(-1)) 1.163002 0.123308 9.431656 0.0000
C -5.91E-05 7.33E-05 -0.806457 0.4279
@TREND(1978) 1.92E-05 6.35E-06 3.028084 0.0058
    
R-squared 0.940266     Mean dependent var  0.000472
Adjusted R-squared 0.932800     S.D. dependent var  0.000606
S.E. of regression 0.000157     Akaike info criterion  -14.54789
Sum squared resid 5.92E-07     Schwarz criterion  -14.35757
Log likelihood 207.6704     F-statistic  125.9278
Durbin-Watson stat 1.672355     Prob(F-statistic)  0.000000
    
这是关于高等教育人数占全国人数的比例做的平稳性检验，想问问结果是平稳的吗？还有就是ADF检验的显著性一般取多少?1%?5%?10%?