2001

6.7

2008

7.6

2001

6.0

1956

7.0

1947

6.9

1993

6.2

1990

6.4

1982

5.8

1981

6.6

2002

6.3

1999

6.2

1990

6.7

2004

5.9

1943

7.5

2004

6.7

2009

7.1

1973

6.7

1986

6.2

2019

0.0

1993

4.9