Year	Number of Firms
1992-01-01	19
1997-01-01	40
2002-01-01	31
2003-01-01	27
2004-01-01	31
2005-01-01	43
2006-01-01	44
2007-01-01	52
2008-01-01	55
2009-01-01	56
2010-01-01	62
2011-01-01	66
2012-01-01	76
2013-01-01	67
2014-01-01	82
2015-01-01	97
2016-01-01	92