1999

5.5

1988

3.7

1969

0.0

1987

3.2

2018

4.9

2013

6.7

1988

7.1

2019

7.7

2019

8.3

1970

2.0

2004

5.5

1996

2.0

2019

0.0

1993

7.8

2009

7.5

1993

0.0

2014

4.8

2002

5.6

2020

7.0

1989

5.0