1986

6.2

1991

4.2

1992

6.7

2024

5.0

2003

7.4

2019

6.9

2000

7.7

2021

6.6

1966

6.4

2006

7.8

2011

6.2

2014

6.4

1984

7.8

2013

7.7

1967

7.2

1983

0.0

2008

8.6

2016

0.0

2012

7.7

1991

1.0