1970

6.3

1989

7.3

1991

8.3

1988

5.2

1987

7.5

2022

4.5

1997

5.7

1928

7.8

1986

7.7

2021

6.2

1968

7.5

2008

5.9

1989

5.1

1952

7.7

2019

6.0

2019

5.9

1985

7.1

1996

5.8

1985

6.2