"spkr","age","group","rel.freq","sum"
"avm1922",93,"old",0.7866323907,389
"ans1925",90,"old",0.6167664671,334
"epl1926",89,"old",0.6704545455,176
"mit1926",89,"old",0.8333333333,144
"avt1928",87,"old",0.5163934426,122
"egp1928",87,"old",0.6091954023,348
"lpp1928",87,"old",0.6666666667,66
"pfp1928",87,"old",0.7033195021,482
"avch1930",85,"old",0.511627907,86
"sek1930",85,"old",0.5220588235,136
"kip1931",84,"old",0.6385542169,83
"mdn1933",82,"old",0.5647058824,85
"opsh1935",80,"old",0.4615384615,52
"tan1937",78,"old",0.2037037037,54
"lso1941",74,"old",0.5,158
"lgp1947",68,"med",0.2397260274,146
"mgb1949",66,"med",0.2,140
"eve1950",65,"med",0.4411764706,102
"iip1951",64,"med",0.5,82
"lnp1952",63,"med",0.1111111111,144
"nvt1952",63,"med",0.34,200
"ofsh1952",63,"med",0.2954545455,44
"ait1954",61,"med",0.48,125
"npo1954",61,"med",0.35,100
"ppp1955",60,"med",0.4404761905,84
"ipm1956",59,"med",0.2386363636,88
"ndo1958",57,"med",0.3394495413,109
"nnt1960",55,"med",0.0789473684,76
"vap1963",52,"young",0.0388349515,103
"vkch1966",49,"young",0.3793103448,58
"nap1974",41,"young",0.043956044,91
"svp1975",40,"young",0.0395256917,253