1997

6.0

2013

6.1

1985

5.9

2022

4.5

2009

6.3

1928

7.3

2003

8.0

2021

10.0

2021

5.1

2005

5.0

2011

5.6

2014

1.0

2010

6.2

2004

5.7

2018

9.0

2019

8.3

1934

4.1

2005

7.0

2003

5.2