1985

7.0

1960

6.4

1975

1.0

1997

6.3

1952

5.2

2014

6.1

1951

6.6

1953

6.2

1990

5.7

2023

0.0

1995

7.0

1914

5.3

2019

6.2

1967

7.5

2002

6.3

2000

7.3

2003

5.9

1994

6.9

2000

6.8

1999

6.1