1987

6.3

1986

6.4

2007

6.6

1989

4.4

2003

3.1

1982

6.9

1932

7.8

2005

9.3

2019

7.1

1987

0.0

2001

6.2

1988

6.7

2007

7.4

1987

5.9

2019

7.2

1957

7.2

1981

5.5

2019

4.5

2018

6.5

1999

5.5