How to Make Pattern for Garterized Pants

Detailed measurement pattern for pants with garter and it's division. 1.waist 28" 2. Hips 36"3. Crotch 11 and 1/2+1/2=12" 4 length 34" and 5.bottom 16. And the size if garter is 1" and the length of the garter is the size of waist minus 4"