Code:
     Source |       SS           df       MS      Number of obs   =     1,315
-------------+----------------------------------   F(28, 1286)     =    273.58
       Model |  946328.028        28  33797.4296   Prob > F        =    0.0000
    Residual |  158872.156     1,286  123.539779   R-squared       =    0.8563
-------------+----------------------------------   Adj R-squared   =    0.8531
       Total |  1105200.18     1,314  841.096031   Root MSE        =    11.115

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       enrol |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
         CPI |   .1847218   .0313612     5.89   0.000     .1231971    .2462465
 newmarriage |    -.32916   .0818746    -4.02   0.000    -.4897824   -.1685375
      depend |  -.2282612   .0387019    -5.90   0.000     -.304187   -.1523355
     edspend |   2.111124   .2682445     7.87   0.000     1.584879    2.637368
   mortality |  -.3557503   .0344384   -10.33   0.000     -.423312   -.2881887
 newfemteach |   .3355659   .0259151    12.95   0.000     .2847253    .3864065
       urban |   .1179031   .0243665     4.84   0.000     .0701007    .1657055
       lnGDP |   2.257544   .9004769     2.51   0.012     .4909787    4.024109
          UM |  -2.232604   1.267144    -1.76   0.078    -4.718501    .2532922
          LM |  -1.696402   1.918191    -0.88   0.377    -5.459528    2.066725
           L |  -2.078713   2.783371    -0.75   0.455    -7.539159    3.381733
             |
        year |
       2001  |   .2627674   1.840499     0.14   0.886    -3.347943    3.873477
       2002  |  -.1156184   1.834911    -0.06   0.950    -3.715366     3.48413
       2003  |   .1621663   1.842056     0.09   0.930    -3.451598     3.77593
       2004  |  -.7602889   1.842209    -0.41   0.680    -4.374354    2.853777
       2005  |  -.8418906    1.84367    -0.46   0.648    -4.458822    2.775041
       2006  |  -1.357138   1.844013    -0.74   0.462    -4.974742    2.260465
       2007  |  -1.241886   1.846762    -0.67   0.501    -4.864884    2.381112
       2008  |  -1.327063   1.850116    -0.72   0.473    -4.956639    2.302513
       2009  |  -1.505653   1.861639    -0.81   0.419    -5.157836    2.146531
       2010  |  -.7093271   1.864264    -0.38   0.704     -4.36666    2.948006
       2011  |  -.2339199   1.863438    -0.13   0.900    -3.889632    3.421792
       2012  |  -.5687192   1.864502    -0.31   0.760    -4.226518     3.08908
       2013  |     2.6685   1.867584     1.43   0.153    -.9953454    6.332345
       2014  |   3.751158    1.87445     2.00   0.046     .0738434    7.428473
       2015  |   4.425729   1.869453     2.37   0.018     .7582165    8.093242
       2016  |   5.518136   1.867712     2.95   0.003      1.85404    9.182233
       2017  |   5.279886   1.869216     2.82   0.005     1.612839    8.946933
             |
       _cons |    50.3543   9.066823     5.55   0.000     32.56691    68.14169
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