Year	Number of Firms
1997-01-01	13
2002-01-01	45
2003-01-01	55
2004-01-01	64
2005-01-01	67
2006-01-01	65
2007-01-01	101
2008-01-01	102
2009-01-01	114
2010-01-01	134
2011-01-01	118
2012-01-01	132
2013-01-01	136
2014-01-01	170
2015-01-01	164
2016-01-01	160