1976

5.2

1990

4.9

1974

5.1

2015

5.5

2008

6.6

2001

2.9

2005

5.0

2004

7.1

2017

7.2

1998

5.7

2023

10.0

1999

6.1

1988

3.8

2018

3.7

2000

6.5

2004

6.6

2024

0.0

1990

7.4

1992

6.3

1990

5.7