1992

6.7

1980

7.1

2015

6.6

1994

7.0

2016

5.3

1996

6.9

2008

6.2

2007

6.6

1973

7.4

2024

0.0

2024

10.0

2010

7.2

2009

6.4

1980

4.3

2006

5.2

2019

6.2

2019

6.3

0.0

1993

3.8

2001

4.6