1982

5.2

1998

6.9

2002

6.1

1997

6.7

2024

0.0

2001

7.8

2002

7.4

1992

6.9

2019

0.0

1972

7.4

1994

6.3

2003

6.5

1971

0.0

2018

6.8

2018

4.8

2000

6.6

2006

6.2

2016

7.0

2008

4.5

2002

6.0