1972

6.4

2026

0.0

2002

7.1

1995

5.4

2011

8.1

2010

9.1

2009

7.9

1973

6.2

1989

5.9

1993

5.5

2011

7.5

2017

7.5

1955

7.1

2008

7.0

1922

7.1

1995

8.0

2007

6.3

1986

6.9

2000

6.7

1966

6.4