Year

KG1

KG2

P1

P2

P3

P4

P5

P6

2018/2019

52^b

27^b

26^b

25^b

22^b

17^b

15^b

14^b

2020

87^a

52^a

48^a

44^a

42^a

42^a

37^a

33^a

2021

82^a

58^a

56^a

51^a

47^a

41^a

38^a

38^a

Pr > F

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001