1996

5.2

1989

4.9

1989

6.7

1984

6.5

2015

3.7

1985

5.8

1991

5.7

2023

7.0

2019

6.0

2010

5.6

2015

5.4

2009

7.1

2023

0.0

2017

7.5

2014

6.6

1987

5.5

2017

4.9

1992

4.6

1983

7.2

1987

7.1