1976

7.6

1975

5.9

1984

3.5

2006

3.0

2024

7.0

2010

5.9

2017

4.6

1970

0.0

2014

6.4

2012

7.1

2016

6.2

2005

5.0

2015

3.0

2023

5.2

2011

5.0

2017

5.3

2002

4.7

1998

3.6

2023

0.0

1972

2.8