2002

4.5

2005

7.4

2021

7.3

2012

6.5

2008

7.3

2008

5.8

1978

6.5

2020

6.2

2017

6.1

0.0

2017

10.0

2016

2.6

1960

5.5

1947

7.4

1992

5.3

1993

5.3

1992

6.9

2006

7.0

1946

8.3

1978

6.3