1997

5.8

2023

9.5

1924

1.0

2004

6.4

2007

5.4

2007

4.5

1991

7.1

2002

6.5

1987

5.7

1999

6.0

2016

6.3

1988

6.9

1988

6.7

2000

6.8

1985

7.2

2001

6.7

1999

7.4

2003

5.9

1970

7.1

1996

6.6