1980

4.2

1985

7.2

2002

6.3

1996

5.9

2018

6.8

1994

7.3

1982

5.2

2023

0.0

1995

5.3

2022

3.3

2002

2.0

1981

5.5

2014

5.8

2004

5.5

1992

5.0

1991

5.8

1997

6.2

1978

6.6

1970

4.4

2011

5.2