1979

6.2

2014

6.0

2023

7.7

3.5

1996

4.0

1989

6.0

2007

5.6

1989

3.2

1967

5.5

2008

5.0

2022

7.0

2004

7.9

2021

4.0

1946

5.8

1994

5.3

2017

5.0