2023

7.6

2022

6.6

2021

6.1

2019

6.7

2011

5.6

2006

6.7

2015

6.5

2012

7.7

2007

5.7

2009

6.3

1996

7.1

1987

6.0

1966

6.2

2022

6.1

1965

7.2

1988

6.5

2009

5.6

1968

6.8

2023

6.4

2023

6.2