1968

6.9

2024

7.4

1987

5.5

2015

5.9

1974

8.6

1993

6.1

1952

8.3

2001

6.9

1962

7.9

1959

7.5

1972

7.8

1992

6.7

1959

8.1

2009

6.2

1995

6.4

1956

7.7

1986

7.4

1929

5.2

1974

6.3