2008

4.1

1980

6.0

1992

6.7

1998

7.2

1987

6.4

1990

7.3

1980

6.3

1950

7.7

2014

7.1

2015

7.0

2023

0.0

1999

0.0

1947

6.7

2023

3.6

1989

6.2

1991

6.9

1943

6.9

1939

6.9

1988

6.2

2002

0.0