1975

5.0

2009

5.9

1993

6.1

1973

6.2

1992

6.8

2000

7.4

1988

5.2

2014

6.0

1998

6.5

2004

5.0

1998

5.0

2023

8.0

1954

7.9

2007

6.2

1971

6.4

1977

6.8

1990

8.5

2022

5.3

1999

6.6

2003

6.0