2015

6.6

2004

9.5

2006

10.0

1989

9.3

2007

6.5

2009

4.9

2011

5.1

1970

6.3

2017

5.9

2006

9.8

2006

5.5

2021

6.8

2011

5.6

1964

7.3

2006

5.5

1953

7.3

2010

5.8

1968

6.9

2014

7.7

1993

6.1