1.   How many have you looked at?

2.   How many have you filled already?

3.   Did you play every single one of your erm your, your records Gill, how many have you got, about ten, twelve?

4.   Well how many have you done anyway?

5.   No, how many have you gone?

6.   How many have you done?

7.   Yeah, how many have, have you got?

8.   How many have you had to reject from that number?

9.   And if four get in touch with me, how many have had the same response but kept quiet about it?

10.   And these many have to be combined with regular monitoring of building-wide usage so that any sudden spurt in demand never goes undetected for long.