2009

6.3

2003

6.8

6.6

1996

6.5

1933

6.2

2015

8.1

2012

5.4

1993

6.5

1987

5.3

2023

6.4

2014

6.3

1982

5.4

2006

6.1

1990

6.0

1965

7.9

2015

6.5

2015

6.1

2021

7.7

2014

3.2

2013

6.5