2021

7.0

2018

3.5

2016

3.3

2020

0.0

1987

4.6

2019

6.2

2016

7.1

2009

5.9

1971

4.2

2007

10.0

2007

10.0

1970

4.1

1997

4.9

1964

7.1

1988

6.3

1986

6.1

1970

7.1

1996

6.4

2001

7.3

2000

0.0