1993

6.7

2015

0.0

2021

6.6

2018

6.7

2016

7.7

2016

7.2

1937

7.9

1996

7.3

2012

8.9

1997

6.9

1997

7.4

2024

0.0

1981

4.2

1967

7.5

1962

7.6

1999

7.6

1976

7.0

2016

7.1

2017

1.0

2000

7.1