2019

6.2

2015

5.4

2000

5.8

2002

5.1

1991

7.4

1987

5.1

2009

7.5

2002

5.4

2000

2.7

1977

5.7

1977

3.9

2020

0.0

1979

6.2

2001

3.3

1999

5.1

2013

4.4

2023

6.2

2018

4.8

2004

5.6

2003

6.2