1994

6.8

1977

6.3

2019

6.0

2003

6.1

1980

7.0

2005

6.5

1980

6.0

1988

6.6

2023

0.0

2000

6.1

2002

7.8

2007

7.1

2016

1.0

2014

0.0

1969

7.0

2011

6.8

2002

5.9

1964

7.1

2018

5.5

2016

0.0