2001

7.3

1997

7.5

2018

6.1

2005

6.6

2006

7.4

2002

6.3

1969

7.6

1987

6.9

2020

7.5

2004

4.9

1992

6.9

2002

6.7

1993

6.9

2017

7.3

2001

7.1

2023

7.7

1974

7.5

1989

6.8

2000

6.4

1967

6.9