1968

7.1

2008

6.0

1972

7.4

2008

6.1

1988

5.5

1998

7.0

2020

6.1

1990

5.9

1943

6.7

1994

5.9

1962

6.6

1949

7.7

2015

5.4

2019

7.1

1993

6.9

2009

7.0

2013

6.2

1982

6.1

2024

5.0