1979

7.0

2005

5.8

1984

5.0

1959

6.9

1940

7.1

1999

6.9

2003

5.7

2012

5.7

2012

0.0

2015

0.0

2016

10.0

1986

5.9

2008

7.5

2009

7.4

2021

5.0

2001

6.0

1980

5.4

1993

7.7

2019

0.0

2020

9.0