2002

5.3

2000

6.0

2019

6.2

1962

5.8

2009

6.6

1989

5.9

2015

6.7

1967

5.4

1991

4.8

1993

5.0

1996

5.5

1967

6.1

2020

7.4

2012

6.2

1959

6.0

2011

6.2

2007

3.9

1957

5.2

1969

4.1

2010

8.3