1996

8.0

2019

8.7

2005

9.7

1986

5.8

2010

6.7

2023

7.7

2021

7.5

1980

8.4

1989

5.4

2014

5.3

2010

7.1

2014

5.6

2007

7.1

2022

10.0

1992

6.0

2003

7.2

2013

8.1

2018

5.9