2011

5.5

2008

4.6

2015

7.3

1980

7.1

1972

6.2

2014

5.0

2012

6.5

2022

6.0

2003

5.7

2023

6.2

2014

6.8

1986

5.8

2008

6.3

2015

6.0

2011

6.5

2004

4.8

2013

5.5

1977

7.0

2013

7.3

2023

6.4