1977

5.9

2019

6.6

2011

6.8

2013

4.0

2014

6.7

2013

5.8

1985

4.0

1977

7.0

1976

7.1

2020

0.0

1961

6.8

2012

6.0

2007

8.2

2016

0.0

1980

1.0

2018

5.2

2011

7.8

1966

8.5

2014

3.2

1982

6.4

2010

0.0

1997

5.5

2022

6.1

2000

5.7