2014

5.8

1999

7.0

1955

5.0

1993

7.9

2003

4.1

2008

6.2

1982

6.2

2008

6.6

2008

7.3

2006

6.1

2012

5.4

2019

8.3

2021

6.4

1990

6.9

1993

6.3

2006

0.0

2021

5.9

2006

7.1

1998

6.3

2002

5.8