Year Number of Firms 1992-01-01 582 1997-01-01 859 2002-01-01 925 2003-01-01 913 2004-01-01 882 2005-01-01 855 2006-01-01 891 2007-01-01 986 2008-01-01 989 2009-01-01 924 2010-01-01 1032 2011-01-01 1098 2012-01-01 1094 2013-01-01 983 2014-01-01 994 2015-01-01 969 2016-01-01 951