2019

4.6

2007

5.4

2005

5.6

2006

5.8

2023

8.0

1997

6.6

2006

7.2

2001

6.5

2006

4.8

2000

6.1

2005

5.9

2023

0.0

1991

6.1

2016

0.0

1972

6.7

2000

5.8

2021

7.7

1985

7.2

1984

7.2

0.0