1972

4.0

2024

7.0

2022

7.2

2011

6.1

2019

6.8

2019

6.9

2004

7.3

2009

7.4

1994

6.7

2015

6.0

2017

9.0

1997

8.0

1990

6.6

2018

8.3

5.8

2012

7.8

2016

4.5

2012

7.2

1993

7.1

1999

7.6