Quote:
Originally Posted by Unregistered
The interval between 11 and 11A should be around 5 years, or less.
I believe the following age range is more accurate.
25-13
26-12
Anywhere from early to late 30s -11
Late 30s-11A
Mid 40s to late 40s -10
|
any idea about the avg increment % for C, C+ & B grade for MX 12 & 11?