1973

7.4

1961

7.7

1994

6.5

2011

7.3

2010

7.2

2000

5.5

1970

6.1

1993

6.2

2014

7.1

1972

6.2

2024

6.4

1982

5.4

1996

5.3

2020

5.4

1998

6.0

1994

4.4

1969

7.6

1990

6.0

1974

5.7

1987

7.2