2017

5.9

2011

5.7

1999

7.4

2024

6.9

2008

5.6

2010

6.7

2017

6.6

1960

6.5

1972

6.4

1994

5.7

1988

6.3

2025

5.8

2005

5.7

2012

5.5

1982

5.7

1978

6.9

2020

7.3

2013

7.5

2004

7.1

2015

7.5