BETWEEN (OLS on means) Estimates:

 Dependent variable: GG

 YMEANB -.019578  SSRB .248059E-02    SB .759527E-02   ARSQB .999633
  SDEVB .396357    S2B .576881E-04  RSQB .999649      LMHETB .355189 [.551]

            Estimated    Standard
 Variable  Coefficient     Error       t-statistic   P-value
 GG(-1)    .739749       .213733E-02   346.108       [.000]
 TV(-1)    .684743E-02   .452757E-02   1.51239       [.138]
 C         .737269E-02   .156285E-02   4.71745       [.000]