Newer
Older
PERIOD VALUE
1997 2983
1998 2677
1999 2236
2000 1853
2001 1844
2002 1682
2003 2154
2004 2272
2005 3607
2006 3136
2007 3149
2008 2868
2009 2185
2010 2872
2011 5309
2012 4208
2013 4455
2014 5803
2015 9573
2016 5090
2017 4900
2018 4155