Year	Number of Firms
1992-01-01	82
1997-01-01	124
2002-01-01	144
2003-01-01	143
2004-01-01	141
2005-01-01	118
2006-01-01	140
2007-01-01	144
2008-01-01	127
2009-01-01	138
2010-01-01	155
2011-01-01	159
2012-01-01	170
2013-01-01	183
2014-01-01	184
2015-01-01	167
2016-01-01	182