1986

6.1

1947

6.7

2014

7.6

1961

7.7

1990

6.4

2005

7.6

2021

5.2

2007

5.6

1976

7.8

1979

7.3

1982

6.9

1985

7.1

1990

5.8

1987

6.4

2018

6.0

2022

2.0

2002

6.3

1988

7.5

2017

7.3

1980

7.9