1996

8.0

2018

5.6

1990

9.0

1975

5.8

2007

6.1

2019

7.8

1987

6.3

1977

7.3

2008

6.0

2006

7.8

2023

10.0

2016

0.0

2002

7.1

2005

6.3

1928

0.0

1995

7.6

2008

2.0

2008

1.5

2014

3.1

2001

4.4