New-born infants ...............

From 140 down to 130

During 1st year ................

From 130 down to 115

During 2st year ................

From 115 down to 100

During 3rd year ...............

From 105 down to 95

From 7th to 14th year....

From 90 down to 80

From 14th to 21st year ...........

From 85 down to 75

From 21st to 60th year ...........

From 75 down to 70

In old age .....................

From 75 up to 80