1979

7.7

1977

7.7

1968

7.1

1988

5.0

1997

7.9

1996

8.0

1997

4.8

2014

5.7

1959

7.9

2014

7.0

2002

7.0

2014

4.6

2007

7.4

2023

7.2

2021

0.0

2007

4.8

2007

7.6

2022

7.0

1991

2.0

2014

7.4