1999

6.8

1989

7.2

1965

6.1

1984

7.7

2013

6.3

1972

7.1

2023

6.6

2011

7.9

2010

5.5

1993

6.3

1986

5.8

1983

5.0

1956

7.0

1978

8.0

2019

8.5

2016

7.0

1981

4.0

1973

8.4

2023

0.0

2019

5.7