What is the number to size conversion.shirt?
 SIZE NUMERIC SIZE BUST WAIST HIP; X-Small: 2: 34: 26: 36.5: Small: 4 - 6: 35 - 36: 27 - 28: 37.5 - 38.5: Medium: 8 - 10: 37 - 38: 29 - 30: 39.5 - 40.5: Large: 12 - 14: 39.5 - 41: 31.5 - 33: 42 - 43.5: XL: 16 - 18: 42.5 - 44.5: 34.5 - 36.5: 45 - 47: 2XL: 20: 46: 38: 48.5: 3XL: 22: 47.5: 39.5: 50: 4XL: 24: 49: 41: 51.5. 