1996

5.3

1999

8.2

2013

6.3

1976

6.0

2019

6.5

1970

6.1

1932

6.2

1985

4.9

1982

5.2

5.8

2019

7.0

2006

5.1

1999

6.8

1997

6.1

2001

8.9

1994

6.8

2017

7.3

1974

7.5

1981

6.6

1959

8.1