1997

7.9

1981

6.5

1997

6.4

2023

0.0

2019

6.4

2007

5.6

2004

7.4

2006

6.6

1968

5.5

2014

5.2

1962

5.0

1995

2.5

1967

5.3

1972

6.1

1984

5.8

1979

7.0

1959

6.8

2008

6.8

2005

7.0

1990

6.0