1987

10.0

2020

6.0

2004

7.0

2016

6.8

2012

9.4

2004

6.7

2003

5.3

1998

6.1

1992

7.0

1939

6.1

2001

5.2

1895

5.4

2019

5.3

1973

6.1

1989

5.1

2010

6.2

1989

6.0

2014

8.5

1997

5.1

2003

6.6