Year	Number of Firms
1992-01-01	51
1997-01-01	80
2002-01-01	77
2003-01-01	78
2004-01-01	85
2005-01-01	81
2006-01-01	91
2007-01-01	92
2008-01-01	112
2009-01-01	115
2010-01-01	129
2011-01-01	152
2012-01-01	155
2013-01-01	150
2014-01-01	157
2015-01-01	148
2016-01-01	152