1966

6.3

2008

5.1

2020

7.4

2014

5.7

1973

7.0

2018

6.7

2000

6.3

2011

7.1

1968

6.9

1998

6.1

1957

7.9

1988

6.7

1967

6.7

2008

5.9

1991

5.3

2021

9.8

2008

7.0

2012

6.5

1978

7.0

1964

5.9