2014

5.9

2001

6.2

1999

6.5

1997

7.5

0.0

1979

6.5

1956

6.7

1999

6.7

2003

6.6

1960

7.4

2005

5.6

1987

6.8

2021

0.0

2015

4.9

2018

5.8

1935

7.0

2009

6.0

1981

7.3

2006

7.0

2024

6.1