2004

7.1

2002

5.5

1969

5.1

2014

4.8

2007

6.7

2020

5.6

1995

5.2

2009

4.7

2016

5.6

6.0

2008

5.9

1966

6.2

2021

7.4

1989

7.2

2006

4.9

2017

5.7

2006

5.8

2016

6.1

1966

7.6

2018

5.9