1927

8.1

1968

8.1

1998

6.8

2015

4.9

1995

7.0

1979

8.2

2006

7.6

1997

7.6

1972

6.4

1956

7.3

1955

6.0

1984

6.2

1968

7.6

1995

5.5

2017

7.5

1972

7.8

2003

7.1

2003

6.7

1971

6.4

1979

6.2