1983

7.1

1999

7.0

1999

8.2

2003

7.1

2003

6.7

2014

6.2

1968

8.1

1982

7.9

1979

6.5

2003

6.2

2009

6.1

1984

7.7

2001

7.0

2010

7.3

2006

0.0

1974

6.0

2023

7.5

1990

4.4

1986

6.6

1981

6.3