2023

7.6

2024

8.1

2013

4.7

2015

8.3

1987

7.1

2007

6.9

2003

5.1

2003

5.0

2016

4.6

2018

5.9

2002

6.6

2011

5.5

1971

7.2

2014

7.0

2014

5.2

2015

6.2

1995

9.6

1969

5.2