1968

5.5

2023

7.2

2001

7.0

2018

4.7

2009

5.6

2007

5.6

1983

5.4

2016

4.5

1969

3.0

1998

6.3

2005

5.9

1980

7.5

2014

6.4

2006

6.3

2015

0.0

2014

5.8

1988

4.5

1999

4.7

2004

2.5

1998

0.0