1993

6.3

2013

8.6

1982

7.3

2011

8.9

2014

7.9

2018

6.7

2006

6.2

2008

7.1

1993

5.6

2020

7.3

1978

6.7

1990

8.1

2010

7.8

2008

7.6

1984

7.8

2025

8.1

2019

7.1

1965

7.5

1994

7.5

2007

7.6