2021

6.5

1996

8.0

1984

8.4

1983

8.0

2007

7.6

2006

9.3

2004

9.5

1985

7.8

2010

8.1

2011

7.3

1979

7.4

2009

7.3

1972

7.7

1993

7.1

2019

8.0

2005

8.1

1993

7.9

2014

6.4

1972

7.7

2018

7.6