1987

7.1

2005

7.0

2021

6.7

1953

8.2

2003

7.1

2008

6.8

1929

6.1

1939

6.2

2002

6.2

1995

0.0

1998

6.1

2000

7.1

2006

5.9

1998

6.2

2001

6.8

1994

6.4

1987

6.4

2004

5.5

2001

6.3

1989

6.3