2002

5.1

1981

5.0

1990

6.4

1935

7.5

2006

6.6

1998

7.1

1955

6.0

2003

6.0

1985

7.0

2015

5.3

2005

5.2

1958

6.2

2001

6.5

1955

6.5

1996

5.8

2013

3.4

2016

6.5

2019

0.0

2006

5.7

2021

6.1