1989

5.9

2024

5.7

2010

4.8

1966

5.7

1967

6.7

1939

3.8

1960

5.0

2019

3.2

2007

4.5

2009

4.6

2017

0.8

1969

5.2

2006

8.0

2010

6.0

2013

7.0

2008

9.5

1958

5.4