1978

6.8

2013

0.0

1993

5.8

2002

7.8

2012

6.2

2017

7.0

2022

5.4

1997

6.5

2008

6.2

2016

8.2

1973

4.7

2023

6.4

1995

7.1

1987

4.6

1973

7.0

2017

6.8

2003

6.1

2014

6.1

1983

5.5

2000

7.1