1998

6.7

2014

6.7

1977

7.4

1999

4.5

2003

0.0

2012

6.0

2015

5.5

2020

5.2

1982

5.0

1978

5.6

2018

5.7

2013

5.4

2005

5.9

1978

0.0

2020

6.0

2019

0.0

1999

5.5

2022

4.7

1953

0.0

2017

6.2