"normal" "sensecent" "pct.cond" "pct.total" "2N_old" 741 63 8.50202429149797 2.55681818181818 "2N_yng" 999 92 9.20920920920921 3.73376623376623 "Dp16_old" 200 13 6.5 0.527597402597403 "Dp16_yng" 338 18 5.32544378698225 0.73051948051948