2003

3.8

2013

6.5

2005

5.7

2019

6.8

2006

6.5

1986

5.8

1969

8.3

2005

5.8

2024

5.6

1898

5.9

1970

6.2

1985

6.5

2017

7.1

2012

7.3

1979

5.2

2010

9.1

2021

7.8

2018

6.2

2006

5.3

2015

6.3