1976

7.2

2005

7.0

2000

7.6

1999

7.6

2005

7.2

2022

5.7

1994

6.4

2016

5.4

2003

6.3

2022

6.7

1981

7.4

2006

6.4

2000

5.9

2014

0.0

2021

5.5

1989

7.1

2009

6.7

2024

6.0

2011

0.0

1969

5.7