Year Number 1996 699.999988079071 1997 2099.99990463257 1998 3200.00004768372 1999 4500 2000 7699.99980926514 2001 5199.99980926514 2008 325000 2009 207000 2010 160000 2011 183000 2012 244000 2013 208000 2014 213000 2015 414000 2016 344000 2017 431000 2018 1035000