2012

6.0

2005

6.8

2010

7.0

2019

6.7

1998

6.0

1985

6.1

1978

5.9

2006

5.6

2010

6.7

1989

5.5

1968

6.8

1920

7.3

2004

7.2

1980

6.4

2022

5.1

2023

6.4

1988

5.2

1995

5.6

1975

6.9

1985

6.9