4 - 7lb

(1.8 - 3.2kg)

7 - 12lb

(3.2 - 5.4kg)

12 - 16lb

(5.4 - 7.2kg)

16 - 19lb

(7.2 - 8.6kg)

19 - 22lb

(8.6 - 10kg)

22 - 25lb

(10 - 11.3kg)

25 - 28lb

(11.3 - 12.7kg)