1995

7.8

2015

6.0

2019

7.6

2023

9.1

1992

6.8

1989

8.3

2017

7.3

2021

7.7

1999

9.5

2011

7.5

2015

7.5

2001

7.8

2017

4.2

2001

6.5

2020

7.6

2019

6.9

2003

8.4

1982

7.5

2012

7.4

1997

8.3