2017

6.9

2009

7.2

1999

6.0

1988

0.0

1981

0.0

2014

6.9

1987

3.7

1930

5.6

2000

6.6

1986

6.7

2020

6.8

2019

5.7

2023

7.0

1987

8.0

2013

7.9

2023

6.4

2023

9.0

1975

6.7

2014

7.1

2009

5.9