1985

6.5

2024

9.9

2019

6.7

2001

8.0

2000

6.3

2014

6.0

2006

6.1

2007

5.6

2006

5.6

1994

6.2

1987

5.5

7.8

2019

7.3

2016

6.7

2008

7.6

2004

5.6

2012

7.1

1964

6.6

1986

6.8