1993

5.5

1985

6.1

1976

5.2

2020

6.5

2006

5.3

2008

5.5

1988

5.5

2020

9.4

2021

7.5

2006

6.4

2009

4.0

1942

5.7

2001

8.0

2022

3.9

1970

7.6

2013

5.9

2016

6.5

2021

6.5

2022

6.7

2003

6.2