1998

6.6

2014

7.0

2018

6.9

1958

6.0

2017

6.5

1955

7.3

1956

7.1

1957

7.2

2006

5.6

2003

7.6

2006

6.9

1963

7.0

2011

7.0

2022

6.8

2005

7.0

1959

7.9

1999

6.1

2002

7.7

2016

5.9

2001

7.3