1988

5.3

1969

5.1

2014

6.3

2009

4.8

1992

6.2

2003

5.0

2003

5.8

2016

5.9

2019

7.1

2013

6.4

2000

5.1

2013

5.6

2024

7.0

2022

5.5

2017

6.5

2008

6.5

1979

7.6

2013

6.9

2016

5.1

1968

6.9