2005

7.1

1992

5.3

1990

7.7

2017

6.5

1984

7.0

1991

6.8

2024

6.1

1984

5.9

1960

6.1

1997

2.0

2007

7.3

1960

6.8

2025

10.0

1966

6.4

1965

6.3

1970

6.5

1959

7.2

1977

6.1

1964

6.2

1937

6.0