1983

4.4

2007

3.6

2008

5.2

1990

5.8

2014

4.7

1986

5.1

1986

7.8

2005

6.5

2010

6.8

2007

2.3

9.0

1978

5.9

1944

6.9

1993

4.3

2014

6.7

1986

6.8

2009

7.3

1984

7.3

2021

0.0

2023

10.0