1967

6.1

2005

5.5

2014

6.4

1963

7.6

2014

6.3

1984

6.9

2005

6.2

1965

7.9

1967

5.6

1994

6.2

1972

6.3

1990

6.4

2009

4.6

2000

7.0

2018

5.7

2019

5.0

2008

5.7

2024

7.5

1971

7.4

1977

4.8