Regressionsgrade (a*seats + b) zur Berechnung der Kostengruppen
C_I: 0-29min; C_II: 30-59min; C_III: >59min; C_C: Flugabsage
a       b      in 1976$
0.658    185.7
1.701    468.3
5.088   2544.4
6.556   3389.1
Inflationsdaten fuer Deutschland
Jahr    Inflationsrate
1976    0.044
1977    0.036
1978    0.027
1979    0.042
1980    0.054
1981    0.063
1982    0.053
1983    0.033
1984    0.024
1985    0.022
1986   -0.002
1987    0.002
1988    0.012
1989    0.028
1990    0.027
1991    0.035
1992    0.040
1993    0.042
1994    0.034
1995    0.022
1996    0.022
1997    0.022
1998    0.015
1999    0.015
2000    0.015
