2011

6.6

2019

7.0

1968

6.9

1999

5.9

2022

7.3

2000

7.3

1983

7.9

2010

7.0

2014

6.9

2006

6.0

1993

6.6

2007

7.4

2005

5.2

2003

6.8

2009

7.2

2017

6.9

1982

6.7

2004

6.4

2017

6.5

1987

5.2