1955

6.2

2019

5.7

2006

6.7

2024

6.2

2018

6.6

1965

6.8

2013

6.0

1979

9.1

2023

8.3

2016

7.4

2023

6.5

1949

6.2

2003

8.7

2003

6.1

1996

5.8

1926

5.6

1994

7.7

1992

6.5