2017

6.8

1999

4.0

1992

4.2

2018

2.0

2002

3.6

2022

7.1

1976

2.3

2008

5.0

2010

6.5

2006

5.2

2007

6.6

1982

3.2

2014

7.2

1999

6.5

1990

6.9

2015

7.5

1999

6.0

2004

6.0

2019

8.1

1994

6.3