1964

7.4

2020

6.8

2011

7.5

2021

7.2

1993

5.6

2012

6.5

1964

7.1

1989

7.3

2024

6.2

1975

4.5

1970

6.0

1956

6.2

2011

7.3

2021

6.2

1970

6.4

1932

5.5

1952

7.0

2013

7.6

1957

6.9

1966

6.5