1983

7.3

2019

6.0

2006

5.8

2016

9.0

2003

6.4

2007

4.8

1979

7.1

1971

7.0

2014

7.7

1998

6.1

1996

5.9

2000

7.6

2022

0.0

2019

6.1

2007

0.0

2007

0.0

2021

7.6

2006

7.0

2005

7.6

2014

5.6