1999

4.4

1985

5.8

2023

7.2

1989

4.5

1987

6.9

1976

2.0

2015

0.0

2002

6.8

1991

6.7

2006

6.3

1990

6.7

2005

6.3

2014

5.2

1980

5.1

2001

5.1

1969

5.8

2007

4.3

2017

4.3

2004

5.7

2005

6.4