1932

7.3

2001

7.8

2004

7.3

2007

6.3

2006

6.6

1988

7.0

1981

6.5

1990

7.3

2004

7.3

1967

7.6

1994

5.6

2023

4.8

1964

7.6

1990

7.7

1973

6.5

1967

6.7

2015

0.0

2013

5.0

1997

6.1

2005

4.6