2011

5.5

2004

8.6

2018

8.4

1997

7.0

2005

8.0

1987

5.0

1990

6.9

2021

4.9

1980

8.6

2012

5.6

2016

7.1

2019

5.0

2010

7.5

2003

8.2

2015

7.0

1973

8.1

2012

7.9

2012

6.5

2009

5.4

2020

7.0