1994

7.5

2002

3.6

2007

6.9

2000

6.4

1999

6.0

2003

6.5

2019

4.0

1976

5.8

1999

7.6

2004

7.4

2006

6.2

2005

7.2

2004

6.0

2013

1.0

2001

7.4

1974

6.0

2024

0.0

2001

5.3

2023

7.1

2021

5.7