variety	Block	yield
var1	1	93.5
var2	1	102.9
var3	1	67
var4	1	86.3
var1	2	66.6
var2	2	53.2
var3	2	54.7
var4	2	61.3
var1	3	50.5
var2	3	47.4
var3	3	50
var4	3	50.7
var1	4	42.4
var2	4	43.8
var3	4	40.1
var4	4	46.4