1957

7.8

1976

7.8

2014

0.0

1966

7.9

2011

7.1

1982

6.2

2008

7.1

2019

6.1

1986

7.4

1995

7.7

2018

7.0

2001

6.1

1977

7.1

2023

6.0

2013

0.0

2008

6.9

2021

8.5

1959

7.2

2003

6.3

1981

5.3