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13 (ii)

Permission to reproduce lems where thirdparty owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (OCR) to trace copyright holders, but if any items requiring clearance have unwittingly been included. the publisher Wll be pleased to make amends at the eatiimst possible oppodunity.

OCR is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge.

Year

t

P

log,,t

loglo P

Q OCR 2008 4752101 Ins JunOB

1986187

1

3 1

0

4

1991192

6

4 4

0.7~

1.66

1996197

1 1

54

1.04

1.73

1999100

14

56

1.6

I

2000/01

15

55

r .IS

I .

2001/02

16

5 7

1.20

1 . 7 G

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