1969

6.3

2018

5.3

1987

6.9

1975

3.5

2003

2.8

1988

6.4

1997

6.1

2006

5.1

1972

0.0

1976

2.3

1979

0.0

1953

7.1

1972

4.3

2013

4.4

2019

0.0

2021

6.5

2007

5.0

2006

6.5

2003

7.1

2007

7.2