1997

6.2

2017

6.1

1993

6.9

2007

7.6

2016

7.8

1998

3.0

1995

5.0

2008

8.1

1992

7.4

2015

7.8

2015

6.3

2022

5.9

1989

6.3

2020

7.2

2019

4.1

2019

5.3

1991

3.5

2017

4.8

1995

7.6

2001

7.4

2005

8.3

1996

7.1

1993

8.4

1994

6.0