1985

6.1

2024

6.6

2008

6.8

2002

6.5

2009

6.5

1987

7.3

2002

7.1

1992

6.4

2008

5.5

2002

5.9

2008

6.4

2015

6.6

2009

6.7

2009

7.3

2010

5.8

2016

7.3

2005

7.5

1999

6.6