1996

6.9

2019

6.4

2009

4.0

2018

5.2

2017

5.9

1979

3.3

2015

5.4

1982

6.4

1975

4.8

2022

5.6

2005

6.2

1981

2.5

2006

7.0

2011

0.0

1970

4.3

1997

6.9

2020

4.7

1966

5.2

2022

7.2

2002

5.8