Year	Number of Firms
1992-01-01	14
1997-01-01	21
2002-01-01	43
2003-01-01	55
2004-01-01	59
2005-01-01	88
2006-01-01	114
2007-01-01	129
2008-01-01	198
2009-01-01	136
2010-01-01	130
2011-01-01	113
2012-01-01	130
2013-01-01	141
2014-01-01	130
2015-01-01	140
2016-01-01	146
