2005

6.4

2006

6.3

1980

5.1

1990

6.7

2019

6.4

1999

6.4

1991

0.0

2007

5.6

2002

6.8

1994

4.1

1991

6.7

2023

5.9

2021

1.0

2006

6.7

1999

4.4

1980

6.6

2019

5.3

2014

5.2

2011

5.7

1988

0.0