2003

5.0

1926

5.6

1989

5.8

2015

7.6

1987

8.0

1996

7.5

1986

7.1

2005

5.7

2012

7.5

2016

6.7

2006

5.6

2021

8.2

2016

6.9

2007

6.3

2014

6.5

1966

7.3

1972

4.0

2017

6.5

2004

6.6

2016

5.2