1993

5.5

1977

6.6

6.7

1970

6.2

2011

7.4

5.8

2009

5.6

1996

5.3

2017

5.9

2003

7.2

2005

5.4

2012

9.3

1932

6.4

2010

7.4

1996

8.0

2022

6.5

2012

6.0

1928

6.0

2014

4.5

2016

5.5