2021

4.0

2005

6.0

2000

7.7

2019

0.0

2000

7.1

1988

6.8

1997

4.9

2007

6.6

1966

5.7

1970

6.2

2007

7.4

1985

2.7

2010

8.3

2003

7.6

2013

6.7

2001

5.6

2007

7.5

2008

5.6

2014

0.0

2017

6.0