1993

7.4

2022

5.6

2012

9.3

2019

8.7

2004

5.8

8.0

5.6

2015

6.4

2009

6.6

2014

4.6

2024

6.4

2014

7.1

2011

5.7

1966

6.7

1970

7.6

2017

6.0

1967

5.6

2007

5.7

2015

4.6