1997

7.6

1983

7.3

1984

6.2

1990

7.3

1987

6.5

2001

5.8

1968

7.6

2018

0.0

2015

4.5

2013

5.6

2002

6.7

2004

6.4

2005

6.7

1975

4.4

1963

6.8

2022

7.1

2011

0.0

1994

3.9

2013

0.0

2022

7.7