2004

6.7

1982

7.6

2018

6.0

7.8

2015

7.4

2001

6.7

1999

5.8

2011

6.3

2020

4.7

2013

7.5

2014

7.1

1987

5.3

1971

5.3

2004

5.9

2012

7.0

2014

7.2

2019

6.4

1986

5.6

2010

7.3