2005

5.4

1998

6.4

1997

6.2

1982

6.9

2005

6.3

2012

9.8

1996

6.5

2022

7.9

2023

9.0

2013

4.8

1991

7.0

8.1

2019

9.8

1980

8.3

2015

5.1

1979

6.5

1992

6.4

2021

6.1

2023

0.0

1994

5.2