1997

6.8

2024

6.5

2015

7.8

2006

8.2

2005

6.8

1962

7.9

2002

6.6

1976

7.6

1995

7.3

1943

7.7

1975

7.5

1993

7.4

1980

8.1

1991

3.3

2003

7.2

1999

7.2

1998

7.1

2019

7.5

2016

10.0

1998

7.2