1998

6.5

1995

8.2

2014

6.5

2007

7.4

2004

6.6

1946

7.5

1977

6.6

1999

7.2

2006

6.1

2010

0.0

1996

6.2

2009

7.1

1999

0.0

2000

6.9

1997

7.5

1992

3.3

2020

6.3

2021

3.8

1947

6.4

1955

7.3