A - feature is pervasive or obligatory | 1 | |
B - feature is neither pervasive nor extremely rare | 6 | |
C - feature exists, but is extremely rare | 10 | |
D - attested absence of feature | 45 | |
X - feature is not applicable (given the structural make-up of the variety/P/C) | 6 | |
? - no information on feature is available | 9 |