2014

6.6

2013

5.7

2012

7.3

1973

6.5

2019

7.5

2009

8.8

1989

6.0

2005

5.4

2015

6.0

1969

7.4

2023

9.3

2013

8.0

2023

5.0

1925

4.0

1935

5.0

2013

6.0

2008

10.0

8.0