1938

7.1

2019

4.2

1956

7.1

1989

1.0

2017

6.0

2006

5.4

2006

5.6

2003

4.4

2004

7.3

1978

6.4

1989

7.5

1965

7.1

1956

6.7

2005

6.3

2004

5.8

1985

4.1

2001

6.3

1995

6.2

1995

6.2

1990

7.3