2004

6.7

1988

5.0

1999

7.5

2005

4.9

2020

5.5

2004

5.3

1997

3.7

1976

5.3

2016

5.1

2016

6.7

1972

6.2

2002

6.4

1992

7.4

2006

7.4

2023

6.1

1973

5.2

1980

5.1

1930

6.8

1995

4.2

1982

6.2