1992

7.3

1986

7.6

1981

7.4

1994

7.0

1933

7.6

1971

7.5

2014

6.2

2023

7.7

1990

6.3

2000

6.4

2021

4.0

1994

7.3

1989

6.6

1933

7.3

1990

6.2

2006

7.0

1997

6.8

1986

7.0

2013

5.0

1998

7.2