1948

7.9

2000

6.0

0.0

1994

8.1

2008

7.1

2013

6.4

2015

7.1

2019

0.0

2017

7.1

2016

6.9

2021

7.2

2011

7.6

2012

6.6

1982

6.6

1985

6.6

2011

5.8

1969

6.2

2007

5.5

2014

7.5

2017

6.1