2015

6.4

2013

4.8

2016

6.3

1990

6.8

2015

5.6

1981

6.2

2022

6.1

1996

3.3

1985

7.1

1992

6.7

2016

2.9

2023

6.3

1995

6.5

2017

7.0

2008

7.3

1990

6.4

1990

6.0

1991

6.2

2021

6.4

0.0