1959

5.6

1944

4.3

1963

2.3

2006

7.3

2007

5.8

1965

6.6

2014

5.0

1934

6.5

1971

4.7

1985

5.2

1984

6.8

1944

6.9

2016

7.4

2018

7.4

1984

5.7

1993

6.1

2017

6.7

1980

5.8

1990

6.5

2000

5.4