1954

7.1

2002

5.4

7.8

2003

6.2

2004

7.1

2010

5.5

2015

7.4

2017

5.4

2023

8.4

1992

5.6

2009

7.6

1961

7.5

1975

6.5

2014

4.2

2009

6.7

6.1

2013

7.7

1964

7.1

2003

6.2

1988

5.3