Newer
Older
PERIOD VALUE
1997 5377
1998 4952
1999 4816
2000 5094
2001 4329
2002 4603
2003 4169
2004 4705
2005 5332
2006 4083
2007 4531
2008 6314
2009 8280
2010 9146
2011 8442
2012 8172
2013 8478
2014 9493
2015 10875
2016 11609
2017 11322
2018 12647