1994

6.4

1999

5.5

1968

7.4

1969

6.2

2003

5.6

2015

2.7

2018

6.5

2016

4.9

1979

5.3

2001

5.9

2017

5.8

1957

8.0

1944

6.2

2024

8.3

2018

0.0

2006

6.0

2021

0.0

2018

6.5

1996

2.3

2001

6.1