1986

5.9

2007

5.3

1968

6.9

2005

5.8

1957

7.2

2012

6.2

2013

7.6

6.6

1985

6.2

2023

7.5

1978

7.1

1989

9.3

1963

7.8

2023

6.3

2009

7.1

2019

6.0

2011

7.4