1987

0.0

2002

6.3

2011

7.5

2021

5.5

1995

6.5

2016

5.8

2013

0.0

1999

6.2

2001

4.3

1979

7.6

2020

8.0

1994

7.7

2020

6.8

2006

7.7

2012

7.6

1992

0.0

2010

6.7

2015

7.0

2017

6.2

2022

4.0