2013

4.8

2012

9.7

2006

9.8

1981

6.7

1998

10.0

2011

9.5

2003

8.7

1985

7.1

1999

5.7

1987

5.5

2009

6.2

1981

7.7

2012

6.1

2024

8.8

1962

7.7

2020

5.6

2003

4.1

2021

6.0