Year Number of Firms 1992-01-01 658 1997-01-01 774 2002-01-01 849 2003-01-01 876 2004-01-01 943 2005-01-01 903 2006-01-01 897 2007-01-01 920 2008-01-01 938 2009-01-01 887 2010-01-01 958 2011-01-01 1015 2012-01-01 929 2013-01-01 957 2014-01-01 976 2015-01-01 893 2016-01-01 925