2002

7.7

2013

6.4

2023

6.5

2007

8.0

2011

7.4

2015

7.4

2017

8.1

2011

5.5

2009

5.7

2004

7.1

2017

6.9

2009

7.5

2014

7.6

1997

5.1

1895

5.4

1974

6.1

6.1

2006

7.0

1989

6.7