1928

6.0

1973

6.8

2001

7.2

2024

6.9

2013

6.4

2009

6.2

2012

6.4

2023

9.2

1968

7.0

2014

8.0

1942

5.6

1980

5.6

2014

6.8

2021

7.7

2021

5.3

2023

7.1

1985

7.5

2015

7.4

5.4