Rok     Rocni_prumer
    1961
    1962
    1963     6.2
    1964     6.5
    1965     5.7
    1966     7.3
    1967     7.3
    1968     6.7
    1969     6.4
    1970
    1971     6.8
    1972     6.7
    1973     6.5
    1974     7.4
    1975     7.3
    1976
    1977     6.7
    1978     5.9
    1979     6.3
    1980     5.4
    1981     6.6
    1982     6.9
    1983     7.2
    1984     6.1
    1985     5.6
    1986     6.3
    1987     5.9
    1988     7.2
    1989     7.7
    1990     7.6
##### Sheet 2 #####
##### Sheet 3 #####