Table 2.

Volume shrinkage (n = 31).

Group	Frequency	Percent
30–40%	2	6.45
40–50%	4	12.9
50–60%	1	3.12
60–70%	3	9.68
70–80%	10	32.26
80–90%	3	9.68
>90%	8	25.81