1937

5.5

2004

6.0

1984

7.6

6.4

2009

5.3

5.0

2021

6.2

1969

8.3

2016

9.7

1998

6.0

2009

5.9

2012

7.2

1994

5.4

2010

5.9

1989

5.8

2004

5.3

1975

4.5

1897

4.3

1998

6.0

2014

8.8