Table 4: Flux (in $10^{\textrm{-}13}~{\rm erg~ cm^{2}~ s^{-1}}$) and velocity (in  ${\rm km~ s^{-1}}$) variations of the Na I D1 and D2 components.
  1995 flux 1995 vel 1999 flux 1999 vel 2002 flux 2002 vel
Na I D1 a -0.88 31 -1.85 24 -2.60 24
Na I D1 e 2.77 48 4.84 4 2.86 9
Na I D2 a -1.26 31 -2.05 22 -2.55 22
Na I D2 e 3.34 48 5.24 5 2.88 6


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