2023

5.4

2021

6.7

2010

6.0

2016

6.1

2017

4.9

1986

5.8

2015

6.1

2004

7.1

2000

7.4

2002

4.7

2018

5.5

2006

7.1

2004

6.9

1996

6.3

1985

6.2

2015

6.9

2000

6.3

2004

6.8

1988

3.5

2018

6.6