2015

8.5

1978

4.7

1980

5.8

2015

6.5

2011

5.4

1983

4.0

1985

4.0

1977

5.7

1981

5.2

2023

6.2

2000

2.7

2002

3.7

1969

5.5

2019

4.7

2012

6.8

2025

7.0

2012

5.6

2013

5.3

1977

4.1

2022

5.8