1977

6.0

2008

5.1

1967

6.4

2003

7.1

1977

5.3

2020

6.6

1935

6.0

1986

4.5

1960

6.9

1943

5.2

2003

3.8

2018

5.8

1989

6.0

1982

4.7

1929

6.0

1973

7.4

2002

5.6

2006

5.9

2003

3.1

2023

6.4