1938

5.4

1986

0.0

2013

5.6

1967

7.4

1962

7.9

1969

6.9

1996

8.0

1986

6.9

1995

7.0

1999

2.0

2018

6.0

2015

4.8

2009

5.7

2019

7.6

1949

6.1

2001

4.3

1983

4.0

2014

6.6

2012

5.0

2005

7.7