1968

5.2

2021

9.2

2011

7.3

1982

6.1

2017

6.1

1939

5.0

1964

7.4

2020

7.4

2014

6.5

2007

7.7

2024

6.4

2015

5.4

1990

6.9

2013

8.1

1973

7.5

2015

7.4

1934

7.2

1967

6.5

2010

5.5

1922

6.2