2017

6.6

2020

6.5

1983

4.0

2003

6.4

1973

7.3

2008

5.9

2015

6.6

2011

6.1

1977

6.9

1981

6.1

1999

7.7

2022

7.1

2002

7.1

2013

8.1

2005

7.0

1971

7.5

1953

7.3

2007

6.3

1958

7.5

2003

7.1