1998

6.9

2017

6.7

1968

6.2

2014

6.4

2013

7.6

2009

6.8

1914

0.0

1963

6.5

1916

0.0

1961

7.0

2012

7.3

2004

6.7

1985

7.8

2003

7.4

1964

8.0

2001

7.4

2006

6.0

1979

7.1

1996

6.4

2024

0.0