1972

6.4

2017

7.8

1974

7.0

1999

5.1

2007

6.7

2002

6.6

2020

6.5

2013

6.6

2004

6.6

2003

7.1

1993

6.2

2016

6.0

2007

6.3

2024

6.0

2013

6.9

1979

7.6

2014

6.3

2005

5.4

1994

6.6

2017

7.9