1985

6.9

2005

8.3

2009

8.5

2007

5.7

1970

7.1

2017

9.4

2008

5.2

2012

5.4

2001

5.9

1996

6.4

1984

6.7

2024

7.4

1939

5.0

2004

6.7

1998

6.2

1966

4.5

1935

7.5

2023

8.0

1895

5.5