2014

6.8

2016

5.2

1979

7.7

1977

7.7

1968

7.1

1933

0.0

1999

6.8

1992

7.7

1959

7.9

2001

6.9

2002

0.0

2016

4.7

2019

5.0

2004

6.4

1980

5.9

1979

5.2

1969

0.0

1966

0.0

1984

6.0

2007

7.2