2016

4.4

2003

2.8

1997

5.8

2021

3.2

2019

4.5

2002

5.1

2003

0.0

1972

3.0

2005

4.9

2015

7.5

2005

3.6

2002

5.3

1999

6.0

2007

6.6

1983

5.2

1973

4.7

1984

5.0

1978

4.9

1974

2.8

1975

4.2