2019

0.0

1998

4.7

2012

7.0

2017

6.8

2019

8.1

1972

0.0

1976

2.3

1982

3.2

1999

4.1

2000

2.0

1992

4.6

1999

6.0

2007

6.6

2005

3.7

2002

5.3

2015

7.5

2019

4.5

1984

2.5

2010

6.4

2014

6.3