2022

3.8

2017

6.7

2023

5.6

1990

6.1

2006

6.8

1979

10.0

1993

6.2

2021

7.1

1971

7.0

2007

7.1

2002

5.2

2012

6.7

2002

7.1

1987

5.3

2002

6.2

2015

6.4

5.8

2013

4.7