1981

7.3

2011

7.4

2011

7.6

2005

3.8

2015

6.8

2011

7.3

2018

6.2

2016

6.4

2016

5.9

1927

6.1

1928

5.7

2013

7.1

1979

7.0

1946

6.3

2020

5.0

2017

6.0

2016

10.0

1990

8.5

2005

0.0

2015

10.0