2019

7.9

1969

7.5

2007

9.0

2013

6.0

2011

6.2

1968

6.5

1965

6.7

1971

6.4

2023

9.4

2017

6.2

2014

5.9

2017

6.8

2009

2.9

1996

5.7

2010

5.1

1983

4.4

2012

5.4

2015

6.9

2015

6.4

2013

7.3