2000

10.0

1989

5.8

2010

6.1

1993

5.5

1989

6.1

2019

4.4

2020

6.8

2009

5.1

1977

6.6

2003

5.8

1984

6.5

2001

4.3

2014

4.5

2015

6.4

2013

6.1

1993

6.7

2013

6.1

2012

6.0

2023

4.7

1970

4.6