1977

4.6

1971

5.2

1988

6.3

1974

2.8

1969

4.0

1985

5.0

1984

4.8

2023

0.0

2023

7.1

2023

7.2

1996

0.0

2009

6.3

2017

3.4

1995

7.7

1967

4.4

2007

6.5

1985

8.3

2015

7.5

1992

7.0

2017

6.2