1998

6.2

2015

5.8

1997

6.0

2021

5.7

2011

8.2

2003

6.0

1998

7.3

2020

7.2

1990

7.0

2005

7.7

1994

9.0

2000

4.2

1991

6.4

2009

5.2

1997

6.0

2018

6.3

2016

6.6

2005

4.2

1999

7.0

1997

4.5

1998

6.4

2003

5.2

1993

4.6

1990

5.8

2000

6.4

2022

6.8

2019

8.0

1996

6.6

2002

8.3

2015

5.4