1977

7.7

2022

2.0

2005

7.6

1961

7.7

1988

7.5

1988

6.6

2005

7.4

1997

6.5

2006

6.3

2016

5.4

2004

6.2

2019

0.0

2000

6.6

1977

5.6

1990

0.0

1973

4.4

1992

7.2

1957

5.7

1999

6.5

2004

6.2