unprecedented [Adjective] + rate [Noun]

Strength Strength Dispersion
A:
14
CHISQ:
53.22
AWT:
7,348,786
TTEST:
3.07
G2:
28.93
FAWT:
7.4
MI:
2.49
LOGLOG:
9.47
JD:
0.68
MI3:
10.1
DICE:
0.09
RANGE: