2020

6.0

1980

6.3

2015

7.0

1977

6.7

2020

7.3

1981

5.8

2010

6.7

1990

6.1

1982

6.4

1983

6.5

1932

6.9

1952

7.0

1964

7.2

2001

6.4

1999

5.1

1985

7.0

1986

6.6

2020

6.7

1990

6.0

1988

5.9