1999

7.5

2014

5.5

2011

7.8

2007

6.0

2023

7.4

2019

6.8

1980

6.0

2002

5.1

2018

7.9

1986

7.3

1982

0.0

1990

4.2

1984

5.0

1978

0.0

1977

7.5

1993

7.2

1979

6.7

2020

8.4

1984

6.7

1996

0.0

2015

5.3

1976

0.0

1979

6.0