2012

6.4

2009

5.6

2011

9.1

2008

8.9

1998

6.0

2002

5.4

2016

6.7

2022

8.6

1946

5.8

1997

4.7

2020

6.9

2021

7.7

2014

6.5

1964

6.6

2017

5.9

2004

6.5

1985

6.4

1926

5.6

1982

6.8

1993

4.6