Year	Number of Firms
1992-01-01	121
1997-01-01	124
2002-01-01	140
2003-01-01	153
2004-01-01	150
2005-01-01	149
2006-01-01	164
2007-01-01	191
2008-01-01	184
2009-01-01	167
2010-01-01	167
2011-01-01	183
2012-01-01	167
2013-01-01	174
2014-01-01	168
2015-01-01	179
2016-01-01	184