13.8 x 12 inch (35 x 30 cms)18.4 x 16 inch (47 x 41 cms)23 x 20 inch (58 x 51 cms)27.5 x 24 inch (70 x 61 cms)32.1 x 28 inch (82 x 71 cms)36.7 x 32 inch (93 x 81 cms)41.3 x 36 inch (105 x 91 cms)48.2 x 42 inch (122 x 107 cms)55.1 x 48 inch (140 x 122 cms)62 x 54 inch (157 x 137 cms)