2001

5.9

1990

6.3

2010

5.5

1986

5.9

2020

5.4

2007

5.7

2015

7.4

1985

6.9

2009

6.2

2024

9.9

2004

6.8

2018

6.9

2003

5.5

2013

7.2

1984

6.7

1988

6.1

1955

7.3

1956

7.1

1975

7.2

2008

6.3