1983

7.1

1997

6.5

2022

5.5

2006

5.0

2001

6.2

2002

5.5

1998

7.1

1998

6.8

2014

4.6

2016

6.3

2005

7.7

2019

6.5

2014

6.0

1999

6.8

2022

5.7

2000

6.1

1996

3.2

2020

5.0

2006

5.8

2006

5.1