2017

6.8

1992

4.2

2002

3.6

1999

6.0

2019

8.1

2007

6.6

2002

5.1

2022

5.8

1999

4.0

2004

5.6

1976

2.3

2015

6.3

2015

7.5

1972

7.0

2010

4.8

2009

5.8

2006

1.0

1985

5.4

1996

5.1

2014

6.4