2001

9.9

2021

9.2

2012

6.4

2004

7.9

1980

6.7

1942

5.6

2009

6.0

2023

9.1

1968

4.8

1982

6.4

2000

5.5

2013

6.1

2012

5.0

2010

6.6

2010

7.1

2019

5.4

2014

10.0

2013

7.6