1996

6.8

1988

6.3

1994

5.8

1974

7.1

1992

5.6

2017

4.7

2022

5.1

1973

7.5

1986

6.3

2020

0.0

2008

6.7

2006

6.5

2003

6.8

1981

6.8

2009

6.7

2016

6.0

1985

8.1

2006

5.5

1986

7.0

1992

0.0