Year	%
2000	46.23744396723626
2001	45.7542482085405
2002	45.26080244986554
2003	44.73493997673319
2004	44.5074107799635
2005	44.73764468327457
2006	45.00509062626145
2007	44.80257983808734
2008	44.74497783958582