1952

6.6

2003

4.0

2006

3.5

1979

5.0

1987

6.8

2005

7.3

2007

5.5

2014

6.8

2022

5.9

2019

5.6

2006

6.5

2022

5.2

1978

7.6

2017

6.2

2006

5.7

2014

6.7

2016

4.5

1991

6.1

1986

7.3

2008

6.0