2015

6.6

1988

5.8

2020

6.5

2023

6.6

1985

6.1

1972

6.6

6.6

1993

6.6

1985

6.9

1972

6.3

2018

6.5

1975

7.1

1989

5.8

6.6

2008

6.7

2018

6.3

2011

7.8

7.8

2016

6.7

2004

9.9