1987

2.5

1989

6.7

1987

2.0

1986

4.8

2020

0.0

2000

4.7

2015

6.3

2023

0.0

2021

6.0

1980

0.0

1991

7.5

2014

7.9

1986

2.0

1998

0.0

2010

4.8

2012

6.1

1981

6.3

1982

6.4

1988

4.1

1986

3.0

1994

4.7

1992

4.4

1997

4.6

1990

5.0

1991

4.3