1966

6.3

2011

6.2

2008

5.0

1963

7.3

1992

0.0

1984

6.5

2021

5.9

2003

7.6

1998

6.6

1956

5.3

2021

7.7

1964

6.4

1973

6.0

2005

6.5

1959

7.5

2014

6.8

2014

7.6

2014

7.7

1980

7.8

2013

7.2