1993

5.4

2011

9.5

2022

7.8

2010

5.9

2015

7.3

2003

9.9

2003

5.4

2012

9.7

2003

6.6

2020

4.7

2014

7.1

2013

8.5

1996

5.6

1965

6.7

1949

6.2

2004

6.1

2021

6.6

1940

6.3

1987

7.4