1972

7.7

1999

7.5

2005

8.1

2015

6.1

2013

7.6

2014

5.7

2003

8.0

1984

5.9

1999

7.9

2022

0.0

1977

7.6

2003

7.4

2007

7.1

2014

5.8

2023

6.3

2016

5.3

2000

7.9

2011

7.4

2002

7.0

2015

7.6