Year	Number of Firms
1992-01-01	30
1997-01-01	51
2002-01-01	75
2003-01-01	90
2004-01-01	74
2005-01-01	119
2006-01-01	103
2007-01-01	124
2008-01-01	125
2009-01-01	121
2010-01-01	163
2011-01-01	158
2012-01-01	142
2013-01-01	148
2014-01-01	156
2015-01-01	173
2016-01-01	211