1999

5.6

1935

7.3

1941

6.2

1987

5.5

2005

6.3

1996

6.1

1986

6.6

1995

6.8

1994

6.7

1990

6.0

1994

5.0

1990

6.5

1954

6.8

1998

6.0

2004

6.5

2015

5.7

1998

4.5

2003

6.0

2006

5.7

1989

6.1