1997

5.6

1995

5.9

1972

6.5

1981

6.8

2021

6.7

0.0

1996

3.8

2008

5.3

1973

7.0

1968

5.3

1989

6.2

2008

6.9

2019

0.0

2016

3.6

1990

6.2

2018

7.1

1999

7.1

1982

6.9

1987

6.3

2006

4.6