2023

0.0

1997

6.2

2015

5.1

1931

5.8

1988

5.4

1989

5.7

2017

5.5

1994

6.4

2013

7.6

2000

8.2

5.6

1990

7.5

1975

6.9

2010

7.1

1985

5.8

1985

6.1

2013

6.6

1996

5.8

2006

8.0

1982

7.9