1999

6.1

1973

6.7

1976

7.0

2001

0.0

2006

8.2

2008

7.8

2007

4.9

1982

5.5

1938

7.4

2020

0.0

2023

4.0

1935

7.3

1986

5.4

1993

0.0

1939

6.6

1928

7.0

1963

5.0

1983

2.6

1954

6.9

2016

6.8