2003

5.8

6.2

2013

6.1

6.1

1982

9.8

2008

7.5

2017

4.9

2015

7.0

2014

4.5

1992

5.5

2020

5.0

1973

4.5

1915

6.7

1990

7.3

2014

7.2

1993

6.0

2017

6.8

2020

6.0