1968

6.8

1943

7.7

2020

0.0

2003

5.2

1992

7.0

2002

6.4

1996

5.0

2021

6.2

2005

5.2

2006

6.4

2007

7.2

1955

7.9

1981

6.5

1996

6.7

2003

6.5

2007

6.7

1980

5.7

2005

5.0

2014

5.5

2001

5.8