1999

5.7

1961

7.5

1960

8.2

2018

5.6

1986

5.6

1988

6.6

1989

6.1

2002

6.3

2002

5.9

2005

6.7

1930

6.1

2007

7.4

1983

7.1

1990

6.1

1932

5.0

1994

0.0

2002

6.8

1973

6.5

2023

7.0

1996

5.4