1986

7.6

1981

6.2

2021

7.0

1977

5.7

1989

8.3

1955

7.5

1983

7.2

2006

6.8

1998

6.6

2017

7.3

2008

7.0

2018

6.3

2018

7.5

2024

4.8

1972

8.0

1986

0.0

2016

1.5

1993

7.3

2001

5.6

2017

5.4