1968

6.8

2012

9.3

1974

7.0

1966

6.2

1966

6.5

1961

8.4

2001

6.3

2023

6.7

1965

7.2

1995

4.6

2016

6.1

1972

6.3

1996

6.5

2004

6.1

1964

7.0

1962

6.9

1975

6.2

2023

6.4

1975

6.8

2006

6.8