2014

7.8

2015

10.0

2005

7.5

1999

7.7

2002

8.4

1993

8.6

1955

7.3

1956

7.1

1957

7.2

2000

7.4

2013

7.9

2005

7.0

2014

7.8

1944

6.0

2019

4.2

2017

5.9

1986

0.0

1973

9.0

1970

0.0

1980

8.1