1982

6.0

2013

5.3

2021

9.3

2015

7.6

2003

6.8

1949

7.7

2003

5.0

2018

3.7

1968

5.1

2016

6.7

1970

5.7

1973

6.0

2015

7.6

2011

8.0

1991

3.5

2013

4.8

1938

6.2

5.4