2019

7.8

1966

7.2

2004

5.6

2002

7.1

2005

7.5

2000

7.6

1987

7.3

1933

7.0

1998

6.8

1980

4.7

1970

7.3

1960

6.4

1967

7.4

1990

4.8

1936

0.0

1937

8.0

2014

4.8

1940

5.0

1939

6.5

2016

8.2