1998

6.9

1974

7.9

1996

6.5

1994

7.3

1956

6.6

1982

6.1

1996

6.7

2020

0.0

1986

6.0

1978

5.0

2005

5.8

1996

5.5

1993

6.0

1986

6.4

2008

4.1

2000

4.3

2017

7.5

1993

6.5

2003

6.3

1966

6.5