2013

6.5

1986

5.8

2022

4.5

2005

5.5

2021

6.3

6.4

2010

6.2

1989

5.8

1984

6.5

2015

6.0

5.1

2017

4.7

2020

7.3

1963

6.9

2014

5.3

1969

4.9

2003

6.1

2012

6.0

1898

5.7

1932

6.3