1963

6.9

2017

10.0

1983

5.5

5.6

2009

7.4

1982

6.8

2015

7.8

1999

5.1

1943

8.0

2020

5.5

1993

6.5

1994

6.6

2011

6.6

1993

5.8

2006

4.6

2021

6.1

1995

5.6

1984

6.6

1959

8.1

2007

7.2