2014

5.7

2013

7.6

2010

7.0

1987

5.9

2023

6.6

2022

7.8

1990

4.1

1989

9.3

2001

7.1

1960

6.4

1988

6.7

2006

5.3

2006

5.3

2011

9.6

2003

6.4

2016

6.0

2013

5.9

2007

5.0

2015

6.4