1993

6.6

2004

8.3

2010

7.0

1998

8.7

2016

7.8

5.8

2004

8.6

2019

7.4

1998

7.2

2020

5.9

2011

6.4

2003

8.2

2023

8.9

1980

6.9

2021

5.0

2023

7.2

1992

5.8

2006

9.3

2014

6.9

1996

5.4