2019

4.2

2010

0.0

2005

6.8

2005

6.5

2006

6.4

1998

7.0

1992

6.5

1999

7.2

1998

6.0

1978

8.0

2023

2.8

2017

5.7

2016

5.1

2003

6.3

2000

6.3

2001

5.5

1995

5.2

1987

6.8

2003

7.1

2001

5.8