1996

6.8

2003

8.2

1986

7.7

1962

7.3

1953

7.9

2000

8.1

1994

8.3

1927

8.1

1999

7.5

1954

8.5

1997

7.9

2006

8.0

2007

6.7

2014

6.9

2021

8.5

1993

7.7

2005

5.7

2004

6.4

1996

6.0

1987

6.4