1991

1992

1993

1994

1995

January

6.30

3.84

3.06

3.02

5.81

February

5.95

3.84

2.95

3.21

5.80

March

5.91

4.05

2.97

3.52

5.73

April

5.67

3.81

2.89

3.74

5.67

May

5.51

3.66

2.96

4.19

5.70

June

5.60

3.70

3.10

4.18

5.50

July

5.58

3.28

3.05

4.39

August

5.39

3.14

3.05

4.50

September

5.25

2.97

2.96

4.64

October

5.03

2.84

3.04

4.96

November

4.60

3.14

3.12

5.25

December

4.12

3.25

3.08

5.64