2011

6.3

1999

8.0

2024

7.6

1993

5.4

2015

6.2

1981

7.4

1982

7.7

2003

6.6

2023

6.0

2008

5.7

2015

6.1

1992

6.9

1996

6.7

1994

5.6

2017

5.9

2014

5.7

1976

6.2

2009

8.0

2009

6.1

2012

7.2