1969

6.3

1975

3.5

1982

3.2

1976

2.3

2003

2.8

1968

2.0

1972

0.0

1972

4.3

2019

0.0

2013

4.4

1999

6.0

1984

2.5

2020

4.8

2002

5.1

2021

5.7

2007

6.5

1983

5.2

2005

3.6

2002

5.3

2005

0.0