1988

5.2

2009

7.2

1996

6.5

1970

6.3

1996

5.8

1974

8.6

1965

6.3

1985

6.1

1976

8.1

2008

6.7

1930

7.8

2022

4.7

2007

6.8

2020

6.7

1994

7.6

1968

6.9

2011

7.4

1999

5.1

2023

6.5

2022

6.1