Year	Number of Firms
1992-01-01	18
1997-01-01	15
2002-01-01	34
2003-01-01	46
2004-01-01	42
2005-01-01	51
2006-01-01	54
2007-01-01	54
2008-01-01	76
2009-01-01	55
2010-01-01	67
2011-01-01	71
2012-01-01	82
2013-01-01	140
2014-01-01	146
2015-01-01	118
2016-01-01	104