1982

5.2

1955

7.2

1993

6.5

2023

6.1

1965

6.8

1966

6.1

2006

7.2

1998

6.0

1990

7.0

2001

7.4

2014

7.0

2004

5.6

2003

7.3

1968

7.3

2000

6.6

2019

5.4

1987

5.9

1927

7.8

1991

6.2

2013

6.5