1991

5.4

1981

8.1

1983

5.3

2014

6.8

2014

5.6

1977

7.5

2005

8.4

1976

5.1

2022

0.0

1975

1.0

1996

8.0

2009

7.8

1972

7.3

2019

7.2

2015

7.5

1986

7.5

2022

6.8

2002

8.2

2014

8.0

2012

5.9