1985

7.1

1979

4.8

2024

6.0

1970

7.5

1977

6.3

2007

5.9

1988

6.6

2017

6.8

2019

6.7

1955

6.6

1990

6.9

1975

7.5

2018

6.8

1998

6.3

2005

5.8

1988

0.0

2019

6.9

1968

6.5

1952

6.5

1998

6.8