14.2 x 12 inch (36 x 30 cms)18.9 x 16 inch (48 x 41 cms)23.6 x 20 inch (60 x 51 cms)28.3 x 24 inch (72 x 61 cms)33.1 x 28 inch (84 x 71 cms)37.8 x 32 inch (96 x 81 cms)42.5 x 36 inch (108 x 91 cms)49.6 x 42 inch (126 x 107 cms)56.7 x 48 inch (144 x 122 cms)