1992

6.8

2009

8.3

1996

5.4

2014

8.0

2019

8.3

2019

7.2

1990

7.4

2015

7.2

2015

7.7

1993

7.3

2010

7.6

2016

6.3

2021

8.5

1990

7.1

2022

8.4

2024

8.3

2016

8.6

1999

7.8

2020

6.9

2010

8.4