1941

6.3

2017

6.8

2022

5.6

1973

7.3

1999

7.1

2011

7.2

2023

7.2

2000

6.3

1970

7.6

1965

7.4

1997

5.1

2004

7.6

1999

7.4

1992

8.9

1985

6.2

2013

6.1

1997

7.5

1968

6.5

2022

7.4