2013

8.7

1990

6.9

2008

8.9

1997

8.4

1996

7.6

2015

8.1

2019

8.5

2023

8.2

2014

7.3

2010

8.1

2013

8.5

2005

8.6

2004

7.9

2022

7.1

1987

8.3

2019

8.7

2020

7.8

2020

7.3

2021

8.2

2000

8.5