Year	Number of Firms
1997-01-01	11
2002-01-01	44
2003-01-01	37
2004-01-01	55
2005-01-01	56
2006-01-01	71
2007-01-01	93
2008-01-01	104
2009-01-01	106
2010-01-01	139
2011-01-01	132
2012-01-01	139
2013-01-01	149
2014-01-01	171
2015-01-01	203
2016-01-01	187