2019

6.1

1993

6.5

2006

6.6

1998

6.0

2005

4.9

2009

7.3

1976

5.0

1971

5.2

1954

6.0

2003

5.1

1982

7.4

1961

5.6

1974

7.3

1955

4.8

1973

7.6

2001

6.2

1990

5.1

1958

6.6

2014

8.1

1960

6.7