1964

6.0

2015

8.2

2016

5.9

2018

6.7

1990

4.0

1951

5.4

2003

6.0

1997

5.5

1990

6.0

1994

5.0

2019

6.7

1995

4.8

2006

5.1

2014

5.3

2011

0.0

1953

2.0

2010

5.8

2012

0.0

2004

6.0

1998

8.1